All 739 actors in both CSI: Crime Scene Investigation and NCIS
739 actors have appeared in both CSI: Crime Scene Investigation and NCIS, across 845 episodes. The most-credited is David Berman, Dr. David Phillips in CSI: Crime Scene Investigation and Isaac Wren in NCIS.
| Actor | In CSI: Crime Scene Investigation | In NCIS | Eps | Eps |
|---|---|---|---|---|
| David Berman | Dr. David Phillips | Isaac Wren | 140 | 1 |
| Marc Vann | Conrad Ecklie | Mark Sadowski | 67 | 1 |
| Jon Wellner | Henry Andrews | Simon Frankel | 58 | 1 |
| Larry Sullivan | Officer Akers, Officer Andy Akers | Flight Surgeon | 40 | 1 |
| Alex Carter | Detective Vartann | Knox Elicott | 39 | 1 |
| Gerald McCullouch | Bobby Dawson | FBI Agent | 34 | 1 |
| Louise Lombard | Sofia Curtis | Special Agent Lara Macy | 29 | 2 |
| Margo Harshman | April Brock | Delilah Fielding | 1 | 21 |
| Muse Watson | Station Yard Controller | Mike Franks | 1 | 19 |
| Scottie Thompson | Lieutenant Debra Hughes | Jeanne Benoit | 1 | 18 |
| Alimi Ballard | Detective Kevin Crawford, Sound Engineer | NCIS Special Agent Gayne Levin | 13 | 3 |
| Robert Wagner | Teddy | Anthony DiNozzo Sr. | 1 | 13 |
| Terry Bozeman | Brad Lewis | Navy Cmdr. Doug Jakobsen | 13 | 1 |
| Geoffrey Rivas | Det. Sam Vega | Ricardo Guzman | 20 | 1 |
| Seamus Dever | Adam Gilford, Drew Rich | NCIS Deputy Director Gabriel LaRoche, Graham Thomas | 2 | 7 |
| Susanna Thompson | Janice Cooper | Army Lt. Col. Hollis Mann | 1 | 8 |
| Enrique Murciano | Det. Carlos Moreno | Ray Cruz | 5 | 3 |
| Ralph Waite | Sheriff Montgomery | Jackson Gibbs | 1 | 7 |
| Rudolf Martin | Cameron Klinefeld | Ari Haswari | 1 | 7 |
| Jessica Steen | Donna Basset | Special Agent Paula Cassidy | 1 | 6 |
| Melinda McGraw | Mrs. Griffin | Diane Sterling | 1 | 6 |
| Scott William Winters | Joe Fitzgibbons | CIA Officer Westley Clark | 1 | 6 |
| Zane Holtz | Dylan Buckley | NCIS Special Agent Dale Sawyer, Navy Petty Officer Third Class Kevin Wyeth | 1 | 6 |
| Eric Stonestreet | Ronnie Litre | Harvey Ames | 11 | 1 |
| José Zúñiga | Det. Chris Cavaliere | Navy Capt. Dr. Adrian De La Casa | 11 | 1 |
| Meredith Eaton | Melanie Grace | Carol Wilson | 1 | 5 |
| Tim Kelleher | IAB Investigator | NCIS Special Agent Christopher "Chris" Pacci | 1 | 5 |
| Brooke Nevin | Maya Russell | Rachael Sparks | 4 | 1 |
| Erik Passoja | Walter Darien | FBI Deputy Director Wayne Sweeney | 1 | 4 |
| Jack Conley | Jack Herson | Metro Detective Danny Sportelli | 2 | 3 |
| Juliette Goglia | Hannah West | Evelyn Shaw | 2 | 3 |
| Megan Gallagher | Janet Trent, Judge Francis Granston | Under Secretary of the Navy Jennifer Leo | 2 | 3 |
| Conor O'Farrell | Undersheriff McKeen | William Danforth | 13 | 1 |
| A Martinez | Assemblyman Danilo Zameesca | Tomas Orlando | 3 | 1 |
| Brigid Brannagh | Tammy Felton | Senator Constance Miller, Catherine Reynolds | 1 | 3 |
| Christopher Wiehl | Hank, Emergency Service Guy | Ramsay Witman A.K.A. John Joseph Manning | 7 | 1 |
| Dina Meyer | Anne-Marie Tolsom, Meg Cunningham | Holly Snow | 2 | 2 |
| Greg Germann | George | NCIS Deputy Director Jerome Craig | 1 | 3 |
| Jason Gerhardt | Anthony Hurst | Marine Colonel Jonah Park | 3 | 1 |
| John Hensley | Jesse Hottman | Phil Hanover | 1 | 3 |
| Marisol Nichols | Jane | ATF Special Agent Zoe Keates | 1 | 3 |
| Patrick Labyorteaux | Bob Lenz | JAG Navy Captain Bud Roberts, Jr., Olev Kozlov | 1 | 3 |
| Paul Telfer | Rex | Marine Corporal Damon Worth | 1 | 3 |
| Sasha Alexander | Robin Childs | Special Agent Caitlin "Kate" Todd | 1 | 3 |
| T.J. Thyne | Bag Boy | Fletcher Voss, Carl | 1 | 3 |
| Titus Welliver | Mark Gabriel | Navy Capt. Roger Walsh | 3 | 1 |
| Anne-Marie Johnson | ADA Jasmine Davis | Marine Col. Stacey Radcliffe, Senator Selena Grayson | 1 | 2 |
| Barbara Eve Harris | Sheriff Sherry Liston | FAA Director Stacy Bergin | 5 | 1 |
| Breeda Wool | Rebecca O'Bryan | Dr. Childs | 2 | 1 |
| Chris Mulkey | Maurice Gallows, Mr. Young | Navy Captain Richard Owens | 2 | 1 |
| Daniel Louis Rivas | Raphael Gomez | Kyle Davis | 1 | 2 |
| Don Swayze | Dave Bohr | Logan Clay, Pete Walker | 1 | 2 |
| Doug Savant | Paul Brady | Larry Clannon, Marine Brigadier General Daniel Kent | 1 | 2 |
| Edie McClurg | Madge | Ruth Potts | 2 | 1 |
| Ian Reed Kesler | Vince Trufant | Mark Daniels, Police Officer Howard Shelly | 1 | 2 |
| James Eckhouse | Mr. Marlow, Paul Trent | Fred Cabrisio | 2 | 1 |
| K Callan | Martha James | Bertha Jones-Delacroix, Grace Mullen | 1 | 2 |
| Kerr Smith | A Collins Boy | Navy Lieutenant Jonas Cobb | 1 | 2 |
| Linara Washington | Grace Powell | Lara Morgan | 1 | 2 |
| Peter Jason | Walter Gersh | Marine Sergeant Major Robert King | 1 | 2 |
| Raphael Sbarge | Aaron Laner, Donald Fiore | Rupert Kritzer | 2 | 1 |
| Rif Hutton | Vernon Porter | Marine General Phillip Braxton | 1 | 2 |
| Robert Pine | Dr. Corey | Congressman Theodore Randolph, Golfer Ben | 1 | 2 |
| Roma Maffia | Adelle Cross | NCIS Special Agent Vera Strickland | 1 | 2 |
| Tania Raymonde | Tina Ellis | Anna Real, Chloe Marlene | 1 | 2 |
| Virginia Williams | Claudia Mason | Leah Ramsey | 1 | 2 |
| Glenn Morshower | Sheriff Brian Mobley | Cmdr. Robert Peters | 7 | 1 |
| Vincent Duvall | Swat Lt. Jack Parker, Mark Trent | Officer Holt | 7 | 1 |
| Jude Ciccolella | Dr. Huxbee | Secretary of the Navy Phillip Davenport | 2 | 3 |
| Wendy Makkena | Doris Babinkian | Dr. Rachel Cranston | 1 | 4 |
| Al Sapienza | Logan's Attorney | Maurice Riva, Cmdr. William Foley | 1 | 3 |
| Alexandra Krosney | Silver | Nadia Harcourt | 1 | 1 |
| Alicia Coppola | Dr. Susan Hillridge | Faith Coleman | 1 | 3 |
| Annie Wersching | Dr. Prescott | Deputy DA Gail Walsh | 1 | 1 |
| Bertila Damas | Marta Santiago | Navy Master Chief Petty Officer Renee Quichera | 1 | 1 |
| Bruce McGill | Jimmy Tadero | Henry Rogers | 1 | 1 |
| Cara Buono | Tracy Logan | Navy Commander Sarah Resnik | 1 | 1 |
| Cassi Thomson | Katy Cypress | Angie Gray | 1 | 1 |
| Christian Clemenson | Charles Pellew | Perry Sterling | 1 | 1 |
| David DeLuise | Cliff Renteria | Michael Franklin | 1 | 1 |
| Dean Norris | Phil Baker | Vestman | 3 | 1 |
| Derek Webster | FBI Agent Ben Parker | Major Joe Sacco, Marine Capt. Stengel | 2 | 2 |
| Erin Matthews | Martha Krell | Deputy Attorney General Mara Reeves | 1 | 1 |
| George Newbern | Todd Coombs | Arthur Haskell | 1 | 1 |
| Gregory Itzin | Norman Sterling | FBI Director, Spencer Downing | 1 | 3 |
| Jack McGee | Richard O'Malley, Road manager | Det. Floyd, Richard "Rick" Jordan | 2 | 2 |
| Jason Manuel Olazábal | Louis Delgado | Todd Mercer | 1 | 1 |
| Jeanette O'Connor | Catty Woman | Teri | 1 | 1 |
| Jesse Plemons | Owen Durbin | Jason Geckler | 1 | 1 |
| Lenny Jacobson | Denny Jones | Security Guard | 1 | 1 |
| Leonard Roberts | Kyle Decker | P.O. Howard Carter | 1 | 1 |
| Lorraine Toussaint | Marla James, Cynthia James | Deputy Director Donna Wolfson | 3 | 1 |
| Louis Herthum | Detective Lucas Martin | Ernest McCormick | 1 | 1 |
| Marshall Allman | Jonathan Alaniz | Donnie James Bailey | 1 | 1 |
| Misha Collins | Vlad | Justin Farris | 1 | 1 |
| Nick Searcy | Sheriff Burdick | Joseph Barnes | 1 | 1 |
| Nikki DeLoach | Heather | Army Lieutenant Colonel Maya Leland | 1 | 1 |
| Paul Greene | Len Young | Renny Grant | 1 | 1 |
| Paul Johansson | Edward Trigg | Porter Brandt | 1 | 1 |
| Ray Wise | Ernest Chase | Wayne Tobett | 1 | 1 |
| Rob Benedict | Brian Morley | Aaron Alan Wright | 1 | 1 |
| Sandra Hess | Mandy Klinefeld | Regine Smidt | 2 | 4 |
| Stepfanie Kramer | Vivian Brentson | Sandra Holdren | 1 | 1 |
| Susan Misner | Cassie James | Leah Mayne | 1 | 1 |
| T.J. Ramini | Grady Foster | Mossad Officer Malachi Ben-Gidon | 1 | 3 |
| Tim DeKay | Neal Matthews | Senator Patrick Kiley | 1 | 1 |
| Ty Upshaw | Police Officer | Security Guard | 5 | 1 |
| William R. Moses | Phil Kohner | Edison Geary | 1 | 1 |
| Rick Worthy | Dr. Stewart | Navy Captain Logan Doyle | 4 | 1 |
| Tom Gallop | Attorney Randy Painter | Victor Sterling | 4 | 1 |
| Abby Brammell | Debra, Jane Gallagher | Marine Sergeant Heather Dempsey | 2 | 1 |
| Alastair Duncan | Graham Deveraux | Peter Velo, Ron Davenport | 1 | 2 |
| Andrew Hawkes | Special Guard Ron Pen | Dean Campbell | 1 | 2 |
| Anthony Starke | Matt Hudson, Richard Palento | Derrick Choyce | 2 | 1 |
| Asante Jones | Swat Captain | Homicide Detective Andy Kochofis | 1 | 2 |
| Brian Howe | Harvey Wincroft, Mr. Winstons | Sherriff Tom Barrett | 2 | 1 |
| Brianna Brown | Jane Galloway, Paula Bingham | Melinda Martin | 2 | 1 |
| Carlos Gómez | Carlos Perez | Admiral Carlos Mendoza, Reyes | 1 | 2 |
| Chad Michael Collins | FBI Pilot | Major Matt Malone, Navy Petty Officer First Class Simon Craig | 1 | 2 |
| Daniel Roebuck | Frank Rosetti, Fred Paulsen | Port Security Chief Matthew Lake | 2 | 1 |
| David Meunier | Barry Lawrence, Boyd Waldrip | Wade Cutler | 2 | 1 |
| Eddie Jemison | Craig Lifford | Terry Spooner | 1 | 2 |
| Eric Nenninger | Jesse, Officer Collins | Navy Corpsman Taylor Henley | 2 | 1 |
| French Stewart | Alien Minister | Paul Triff | 1 | 2 |
| Gil McKinney | Martin Devlin | Crewman, Logan Donahue | 1 | 2 |
| Graham Hamilton | Brett Marsh | Gabriel Hicks | 1 | 2 |
| Jamie McShane | Eddie Vonner, Jeff Berlin | Samuel Hayes | 2 | 1 |
| Jim Beaver | Stanley Tanner | Captain Tom O’Rourke | 2 | 1 |
| John Doman | Judge Slater | Police Lt. Cheney | 2 | 1 |
| John Getz | Bill Harvey, Richard Zeigler | Walter Kane | 2 | 1 |
| Lauren Bowles | Ellen | Mary Wiles, Nance Freeman | 1 | 2 |
| Lindsay Price | Ms. Marita | Navy Lt. Pam Kim | 1 | 2 |
| Mark Sheppard | Dimitri Sadesky, Rod Darling | Young Mr. Pain | 2 | 1 |
| Melinda Page Hamilton | Jody Cambry | Kathy Sheldon, Vanessa Tillman | 1 | 2 |
| Michael Welch | Steuben Lorenz, Todd Branson | Kody Meyers | 2 | 1 |
| Mitch Pileggi | Happy Harry Desmond | U.S. Secretary of Defense Wynn Crawford | 1 | 2 |
| Nick Chinlund | Gus Davis, Mickey Rutledge | Detective Steve Rosetti | 2 | 1 |
| Omid Abtahi | Chandru Dru Kambhatla | Saleem Ulman | 1 | 2 |
| Rick Peters | Jerry Walden | Vincent Maple | 1 | 2 |
| Ryan Doom | Brett Davidson | George Russell Bishop | 1 | 2 |
| Todd Giebenhain | Donny, Usher | Leo Vairo | 2 | 1 |
| Tracy Middendorf | Belinda Martin, Bridget Willis | Tara Bick | 2 | 1 |
| Valarie Pettiford | Susan Sue Latham | Sonia Eberhart | 1 | 2 |
| David Starzyk | Congressman Griffin, Fred Stearns | Allan J. Carter, Councilman Allan Berger | 2 | 2 |
| Susan Diol | Beth Dunbar, Janet Hughes | Doris Sawyer, Dr. Leslie Burke | 2 | 2 |
| Mary Mouser | Cassie McBride | Kelly Gibbs | 1 | 4 |
| William Allen Young | Duane McWane | FBI Director Barry Hutchins, U.S. Secretary of Defense Moses McClaine | 4 | 2 |
| Adam J. Harrington | Ronald Basderic | Coast Guard Commander Sam Hendrix | 2 | 1 |
| Alex Kingston | Patricia Alwick | Miranda Pennebaker | 1 | 1 |
| Amanda Fuller | Cara Stone | Jennifer Shields | 1 | 1 |
| Amy Carlson | Kate Armstrong | Karen Sutherland | 1 | 1 |
| Andrea Bogart | Blonde Women | Melissa Tourney | 1 | 1 |
| Anne Leighton | Younger Margot | Ingra Petrov | 1 | 1 |
| Arturo Del Puerto | Alex Garnez | Edward 'Collarbone' Rosario | 1 | 1 |
| Ashley Jones | Shea Lammet | Nancy Douglas | 1 | 1 |
| Assaf Cohen | Doctor Lownis | Eli Lissack | 2 | 1 |
| Benito Martinez | Gabriel Ortiz | Detective Conklin | 1 | 1 |
| Bernard Curry | Cal Tate | Shamus Quinn | 1 | 1 |
| Bill Sage | Frank McBride | Reed Talbot | 1 | 1 |
| Brandon Quinn | Ernie Menlo, Zach Alton | Gregg Abell | 2 | 1 |
| Brennan Elliott | Sergeant Carroll | Martin Stillwell | 2 | 1 |
| Brett Cullen | John Nolan | Navy Capt. Todd Gelfand | 1 | 2 |
| Bruce Davison | Avery Tinsdale | Lester Burm | 1 | 1 |
| Channon Roe | Douglas Granger, Lenny "Moondog" Vanders | Sergeant Gordon Lambro | 2 | 1 |
| Chris Payne Gilbert | Peter Berglund | Wesley Rowan | 1 | 1 |
| Christine Lakin | Margo Delphi | Rachel Wells | 1 | 1 |
| Christopher Cousins | Ken Wallace | Jordan Jones | 1 | 1 |
| Christopher Shyer | Bill | Kyle Boone | 1 | 1 |
| Claire Coffee | Cindy Jansen | Nikki Crawshaw | 1 | 1 |
| Corey Stoll | Clerk | Martin Quinn | 1 | 3 |
| Dan Lauria | Det. Jameson | Emergency Room Guard Morgan Cade | 1 | 1 |
| Danneel Ackles | Shasta McCloud | Jessica Shore | 1 | 1 |
| David Eigenberg | Gavin McGill | Ted Bankston | 1 | 1 |
| David Marciano | Frank Samuels | Bartender | 1 | 1 |
| Dennis Cockrum | Roger Edmonds | NSA Tech, Senator | 1 | 2 |
| Don Stark | Sam Hopkins | Marty Fiero | 1 | 1 |
| Dustin Seavey | Clive Morris | Larry Sykes, Navy Seaman Marcus Leonard | 1 | 2 |
| Eric Lange | Kenny Bristol, Scott Tunnicliff | William Lafferty | 2 | 1 |
| Frank Whaley | Miles | Jeffery White | 1 | 1 |
| Garrett M. Brown | Dr. Martin Kinney, Mr. Rycoff | Retired Marine General James Wallace | 2 | 1 |
| Ginifer King | Elaine | Lexi Davis | 1 | 1 |
| Grant Harvey | Pete McCrone | Ian Maddux | 1 | 1 |
| Greg Collins | Officer Arvington | Police Officer Metro PD | 4 | 1 |
| Greg Serano | Javier Molina | Jalen Washington | 1 | 1 |
| Jaime Ray Newman | Julie Walters, Melinda Carver | Navy Lieutenant Commander Melanie Burke | 2 | 2 |
| James Immekus | Travis Kilborn | Daniel Silcott | 1 | 1 |
| Jay Acovone | Tommy Grazetti | Frankie Dean | 1 | 1 |
| Jeff Pierre | Officer Dunn | Lew Nolte | 1 | 1 |
| Jeffrey Pierce | T.C. Riordan | Marine Sgt. Michael McMannis | 1 | 1 |
| Jennifer Rhodes | Aunt Nellie Porter | Claudia | 1 | 1 |
| Jessica Tuck | Sally West | Gloria Caplinger | 1 | 1 |
| Joe Nieves | Javier Lileez | Justin Kinneman | 1 | 1 |
| John Allen Nelson | Robert Gentry | JSOC Vice Admiral Lloyd Manditsky | 1 | 1 |
| Josh Randall | NTSB Investigator | Navy Commander Ryan Barnes | 1 | 1 |
| JR Bourne | Jerome Kessler | Det. Marshall Collins | 1 | 1 |
| Kate McNeil | Sharon Woodbury | Commander Green | 1 | 1 |
| Katie Leclerc | Christine | Marine Staff Sergeant Diana Murphy | 1 | 1 |
| Kelly Smith | Allison Shram | Emily Miller | 1 | 1 |
| Kevin Quigley | Randy Swansiger | William the Truthteller | 1 | 2 |
| Kevin Will | Foreman, Male Parent | Will Sutton | 2 | 1 |
| Lauren Stamile | Dr. Heather Lanning | Metro P.D. Detective Michelle Lane | 1 | 1 |
| Lee Garlington | Mrs. Briggs, Mrs. Frommer | Mary Hanlan | 2 | 1 |
| Linc Hand | Laughlin CSI #1 | Navy Petty Officer First Class Damien Hunter | 1 | 1 |
| Lochlyn Munro | Officer Watson | Kevin Holt | 1 | 1 |
| Louis Ferreira | Ken Wellstone | Harlan Atwood, Metro Detective Nick Burris | 1 | 2 |
| Marcus Giamatti | Chevy Cigs | Victor Tillman | 1 | 1 |
| Mark Rolston | Sheriff | George Westcott | 1 | 2 |
| Matt McCoy | Simon Weber | Senator Thomas Bransfield | 1 | 1 |
| Matthew Glave | Ken Bixler | Navy Commander John McGee | 1 | 1 |
| Melora Walters | Sage | Susan Lowe | 1 | 1 |
| Meredith Monroe | Sister Bridget | April Ferris | 1 | 1 |
| Michael Des Barres | Marty "The Cat" Kirch | Del Finney | 1 | 1 |
| Nestor Serrano | Detective Ortega | NSA Supervisor Jeremy Marlens | 2 | 1 |
| Niko Nicotera | Doug Adamson | Albert Leary | 1 | 1 |
| Patrick St. Esprit | Sheriff Owen Gardner | Navy Commander Weidman | 1 | 1 |
| Paul Terrell Clayton | Homicide Det. P. Kane | Navy Commander Carl Davis | 3 | 1 |
| Peter MacKenzie | Dr. Eisling | Jack Murdoch | 2 | 1 |
| Peter Onorati | Detective Luke Kimball | Chief of the Boat | 2 | 1 |
| Randy J. Goodwin | Myles Rueben | Clark Anderson, Defense Lawyer | 1 | 2 |
| Reiko Aylesworth | Chandra Moore | Anne Marshall | 1 | 1 |
| Rick Otto | Jack Weaver | Adrian Nelson | 1 | 1 |
| Russell Wong | Lt. Arthur Chan | Special Agent in Charge Feng Zhao | 1 | 1 |
| Sal Landi | Carl Jansen | Bill Zaprowski, Cmdr. Stovic | 1 | 2 |
| Sam Anderson | Dr. Mercer | Walter Carmichael | 1 | 1 |
| Scott Michael Campbell | Union Soldier | Robert Miller | 1 | 1 |
| Shanna Moakler | J-Lady | Missy Dawkins | 1 | 1 |
| Sierra McCormick | Gracie Layman | Sally Clark | 1 | 1 |
| Spencer Garrett | Bob Fairmont | Commander Spenser | 1 | 1 |
| Steve Valentine | Gary Korlov | Miles Wolf | 1 | 1 |
| Steven Culp | Lt. Mendes | Navy Cmdr. William Skinner | 1 | 1 |
| Tim De Zarn | Mr. Carlton | David Runion | 1 | 1 |
| Tim Guinee | Father Frank Berlin | Bart Lemming | 1 | 1 |
| Travis Schuldt | Aron DeRosa | Freddy Martin, Paul Miller | 1 | 2 |
| Vernée Watson | Manager | Miss Helen Frimkes | 1 | 1 |
| Victoria Pratt | Carla Banks | Flight Attendant Tiffany Chase | 1 | 1 |
| Vincent Ward | Space | Cop, Sal | 1 | 2 |
| Will Harris | Daryl Weeks | Murray Hines | 1 | 2 |
| David Andrews | Officer Fromansky, Joe | U.S. Secretary of Defense Errol Coyne | 3 | 1 |
| Paul Ganus | Police Officer, Uniform #2 | Department of Energy Deputy Director Doyle Roden | 3 | 1 |
| Betsy Rue | Libby Cooperson | Sasha Gordon | 1 | 2 |
| Cory Blevins | Surgeon | Father | 2 | 1 |
| Craig Welzbacher | Jimbo | George Mansur, Motel Guest | 1 | 2 |
| David Chisum | Agent Smith | Doctor David Woods | 1 | 2 |
| Eric Allan Kramer | Deputy Sheriff, Vic Patterson | Phillip Ekkerly | 2 | 1 |
| Geoffrey Blake | Mark Jones, Special Agent Conners | Marc Attencio | 2 | 1 |
| James MacDonald | Officer Kenneth Ward | Capt. Faul, Navy Admiral Norton Padgett | 1 | 2 |
| Jason London | Keith Garbett | Dwight Kasdan | 2 | 1 |
| John Beasley | Charles Moore | Daryl Hardy | 2 | 1 |
| John Rosenfeld | Child Advocate | FBI Agent Charles | 1 | 2 |
| Josh Coxx | Artemis Bishop | FLETC Instructor Hal Sterling, Navy Captain Paul Smith | 1 | 2 |
| Larry Poindexter | D.A. Claude Melvoy | Dr. Berman | 2 | 1 |
| Michael Gilden | Michael Ames | Marty Pearson | 1 | 2 |
| Patricia Bethune | Teacher, Wilma Shaw | Paulette Quinn | 2 | 1 |
| Peter Breitmayer | Clayton Ferris, Ed | Dwight Romano | 2 | 1 |
| Philip Casnoff | Jonah Clyborn | Sean Latham | 1 | 2 |
| Rob Nagle | Mark Turner | Wayne Usher | 2 | 1 |
| Tina Lifford | Judge Witherspoon | Dr. Fox | 2 | 1 |
| Tyler Kain | Audrey, Christin Gillis | Tiffany | 2 | 1 |
| Adam Busch | Max Dinello | Arthur Jankowski | 1 | 1 |
| Alicia Lagano | Anya Sanchez | Joann Allman | 1 | 1 |
| Allison McAtee | Jena Mackin | Spandaxia | 1 | 1 |
| Amy Sloan | Christina Adalian | P.O. Cynthia Cluxton | 1 | 1 |
| Andrew Elvis Miller | Joslyn/Josh McClure | Sam Novak | 1 | 1 |
| Andrew Rothenberg | Walter Ellis | Bruce Solomon | 1 | 1 |
| Angela E. Gibbs | Amelia Gross | Eden Penzance | 1 | 1 |
| Antonio Jaramillo | Antonio Ficha | Pedro Rodriguez | 1 | 1 |
| Arjay Smith | Ethan | Roy | 1 | 1 |
| Billy Miller | Officer Robert Dolan | Ezra Moretti | 1 | 1 |
| Brian McNamara | Steve Anderson | Noah Sykes | 1 | 1 |
| Carter MacIntyre | Taylor Wynard | Benjamin "Benny" Sitano, Junior | 1 | 1 |
| Chad E. Donella | Vincent DeCarlo | John Briggs | 1 | 1 |
| Chet Grissom | Restaurant Manager | Rupert Kittridge | 1 | 1 |
| Chris Browning | Martin Fox | NCIS REACT Supervisory Special Agent Tom Dalton | 1 | 1 |
| Chris Coy | Melvin Dodge | Riley Davis | 1 | 1 |
| Chris Johnson | Chuck Darwell | PO James Morgan | 1 | 1 |
| Cleo King | Lucy | Della Robinson | 1 | 1 |
| Cristine Rose | Grandma Giles | Pat Stone | 1 | 1 |
| Dahlia Salem | Elaine Alcott | Maria De La Rosa | 1 | 1 |
| Danielle Bisutti | Theresa Shea | Secret Service Special Agent Ashley Winter | 1 | 1 |
| Danny Nucci | Det Daniel Sosa | Gordon Fremont | 1 | 1 |
| Daphne Ashbrook | Buffet Manager | Donna Peyton | 1 | 1 |
| Dave Florek | Old Man | Virgil McKeever | 1 | 1 |
| Dave Power | Bryce Gundy | Corporal Dave Ramsey | 1 | 1 |
| David Burke | Don Cook | George Ingram | 1 | 1 |
| David Magidoff | Marko Palmisano | Michael Seelus | 1 | 1 |
| David S. Lee | Sergeant Varanski | Veli Tupolev | 1 | 1 |
| David Sullivan | Hotel Manager | NCIS Special Agent Larry Krone | 1 | 1 |
| Deanna Russo | Lori Kyman | Ashley | 1 | 1 |
| Ellen Geer | Ruth Elliott | Esther Daniels | 1 | 1 |
| Emily Baldoni | Pam Harris | Desk Clark | 1 | 1 |
| Erik Palladino | Dan Nobler | Marine Staff Sergeant Daniel Cryer | 1 | 1 |
| Frederick Koehler | Danny Hillman | Simon Gravy | 1 | 1 |
| Googy Gress | Cabbie | Bartender | 1 | 1 |
| Ivo Nandi | Max Girard | Manny Varigan | 1 | 1 |
| James Martinez | John Fletcher | Navy Lt. Eduardo Almeida | 1 | 1 |
| James Shanklin | Roy Davis | Navy Captain Martin Armstrong | 1 | 1 |
| Jason Brooks | Simon Rose | Marine Major Danny O'Donnell | 1 | 1 |
| Jeff Bowser | Customer | Customer | 1 | 1 |
| Jeff Hephner | Wayne Smith | Navy Commander Peter "Banshee" Sheridan | 1 | 1 |
| Jessica Collins | Missy | Judy Ford | 1 | 1 |
| Jocko Sims | Lenny Andretti | Michael Thomas | 1 | 1 |
| Joe Adler | Jeremy Douglass | Matthew Gray | 1 | 1 |
| John Kapelos | Duke Rittle | Vice Principal Vic Castor | 1 | 1 |
| Jon Huertas | Leon | Jack Kale | 1 | 1 |
| Jonathan Bray | Manager | Senator Judd Larmont | 1 | 1 |
| Jose Pablo Cantillo | I.A. Officer Galvez | DEA Agent Mark Sisco | 1 | 1 |
| Josh Holloway | Kenny Richmond | Sheriff | 1 | 1 |
| Julie Benz | Heidi Wolff | Mrs. Denise Johnson | 1 | 1 |
| Kareem Grimes | Ronnie Connors | Bushmeat Smuggler | 1 | 1 |
| Kari Coleman | Mrs. Sheila Beck | Maggie Scott | 1 | 1 |
| Karl Makinen | Kyle Planck | Marine Staff Sgt. James Dawson | 1 | 1 |
| Kathleen York | A.D.A. Hardt | Stephanie Flynn | 1 | 1 |
| Kay Lenz | Laura Sidle | Connie Quinn Wheeler | 1 | 1 |
| Kevin Rankin | Shawn Curtis | Dennis Moran | 1 | 1 |
| Lamont Thompson | SWAT Officer | Sommers | 1 | 1 |
| Leif Gantvoort | Seth | Max Devendorf | 1 | 1 |
| Lisa Sheridan | Crystal Coombs | Krista Dalton | 1 | 1 |
| Lloyd Kino | Gardener | Hiroshi Yoshida | 1 | 1 |
| Lobo Sebastian | Vincent Mendoza | Renaldo Aranda/Engineer | 1 | 1 |
| Luis Jose Lopez | Tomas Molinez | Javier Martinez | 1 | 1 |
| Madalyn Horcher | Jacinta Flores | Navy Seaman Jennifer Baxter | 1 | 1 |
| Mark Derwin | James Mandelbaum, Braun's Lawyer | Marine Major Bradley Raines | 3 | 1 |
| Markus Flanagan | Hotel Manager | Navy Commander Mike Taffet | 1 | 1 |
| Mary Page Keller | Leslie Clyborn | Lt. Cmdr. Miki Shields | 1 | 1 |
| Max Adler | Kyle Banks | Luke Stana | 1 | 1 |
| Michael Beach | Harbor Patrol SD Scinta | Metro Detective Robert Flowers | 1 | 1 |
| Michael Chieffo | Tom Roth | Randy Devereaux | 1 | 1 |
| Michael Gaston | Rick Chilson | Maj. Dougherty | 1 | 1 |
| Michael Grant Terry | Ryan Thomas | Marine Sergeant Theodore "Ted" Lemere | 1 | 1 |
| Michael Graziadei | Kurt Francis | Chuck | 1 | 1 |
| Michael Hyatt | Jolene Newman | Judy Williams | 1 | 1 |
| Michael McGrady | Sheriff Brackett | Walter Dunn | 1 | 1 |
| Michael Reilly Burke | Stuart Coombs | Frank Connell | 1 | 1 |
| Mike Starr | Dominic Bruno | Monroe Cooper | 1 | 1 |
| Neil Hopkins | Donny Drummer | Jeremy Davison | 1 | 1 |
| Nicole Steinwedell | Samantha Wilson | Olivia Chandler | 1 | 1 |
| Patrick Fabian | Rhone Confer | Ray Vincent | 1 | 1 |
| Patrick Fischler | Mr. Lee / Wolfie | George Stenner | 1 | 1 |
| Paul Schulze | Surgeon | Marine Major Ken Meyers | 1 | 1 |
| Rebecca McFarland | Jason Kent's Attorney | Det. Rapp | 1 | 1 |
| Rebecca Wisocky | Shirley | Jody Carvell | 1 | 1 |
| Reiley McClendon | Charlie Kellerman | Marine Private Brad Sykes | 1 | 1 |
| Rick Gonzalez | Marcus | Lenny Machaca | 1 | 1 |
| Robert Gant | Lewis Greyburg | Mike Dunke | 1 | 1 |
| Sara Paxton | Jody Bradley | Amber Carnahan | 1 | 1 |
| Shane Coffey | Pete Moyer | Sean Greco | 1 | 1 |
| Skyler Stone | Alex Friel | Uncle Stan | 1 | 1 |
| Stacy Haiduk | Gina Sinclair | Melissa Dorn | 1 | 1 |
| Stephen Lee | Dominic Kretzker | Chuck Bayliss | 1 | 1 |
| Stephen Snedden | Steven Dougherty | Jim Murphy | 1 | 1 |
| Taylor Cole | Bianca | Charlotte Cook | 1 | 1 |
| Taylor Nichols | Kevin Greer | Hank Galvaston | 1 | 1 |
| Thomas Crawford | Janitor | Doctor Walter Magnus | 1 | 1 |
| Tiffany Dupont | Cammie Brookston | Kimberly Nolan | 1 | 1 |
| Trevor Donovan | Spartan | Navy Commander Thomas Buckner | 1 | 1 |
| Van Epperson | Judge | Pop | 1 | 1 |
| Zack Ward | Steve Card | Police Officer Billy Krieg | 1 | 1 |
| Alexandra Barreto | Distraught Woman, Romina Gonzalez | Navy Petty Officer Rena Oliver | 2 | 1 |
| Alyson Reed | Doris, Mrs. Devereaux | Monica Keogh | 2 | 1 |
| Brent Briscoe | Roger Durbin, Travis Murray | Buzz | 2 | 1 |
| Bryce Johnson | Mark Baker | Eddie Macklin, Navy Lieutenant David Shankton | 1 | 2 |
| Clare Carey | Joanna Higgins | Ann Gibbs | 1 | 2 |
| Debra Christofferson | Regina Owens | Rita Gregg, Uta | 1 | 2 |
| Don McManus | Ed Burrows, Francis Lavalle | Mark Stafford | 2 | 1 |
| Fredric Lehne | Curt Ritten, Frank Carrow | Captain Graves | 2 | 1 |
| Gina Hecht | Donna Wetzel, Mrs. Buckley | Christine Newhall | 2 | 1 |
| John L. Adams | Manny Brazil, Zombie Butcher | EMT Seth Patterson | 2 | 1 |
| John Rubinstein | Judge Crawford, Priest | Bob | 2 | 1 |
| Kayla Mae Maloney | Amy McCarty | Emily Kingston | 2 | 1 |
| Michael Ensign | Judge Brenner | Doctor Ishmael Havana | 2 | 1 |
| Mike Erwin | Julian Bristol | Devon Watkins, Sam Radner | 1 | 2 |
| Monnae Michaell | Deputy Marshal Karen Taylor, Doctor Orlander | Navy Commander Leandra Womack | 2 | 1 |
| Nancy Youngblut | Nurse | Joanna "Mama Jo" Dalton | 2 | 1 |
| Rodney Eastman | Jacob Warren, Keith Driscoll | Wendell Kaiser | 2 | 1 |
| Bryan Friday | Prison Guard, Rick Midgen, Vance Tolsom | Navy Captain Felix Wright | 3 | 1 |
| Aaron Hill | Carter Grable | Navy Seal Lieutenant William Blake | 1 | 1 |
| Alan Rachins | Grandpa Stein | Bud | 1 | 1 |
| Alexandra Holden | Mary Haymond | Brooke Fenten | 1 | 1 |
| Amy Stewart | Melissa Humphreys | Katie Happ | 1 | 1 |
| Andrew Friedman | Preston Schember | George | 2 | 1 |
| Annie Little | Robin | Merri Dade | 1 | 1 |
| Ashlee Füss | Abby Fisher | Teenaged Girl | 1 | 1 |
| Bayardo De Murguia | Agent Silva | Franco Alvarez | 1 | 1 |
| Bess Armstrong | Patricia Lydecker | U.S. Senator Denise O’Hara | 1 | 1 |
| Betsy Brandt | Dawn Hanson | P.O. Barbara Swain | 1 | 1 |
| Billy Lush | Nathan Levin | Fisher Hyland | 1 | 1 |
| Blake Lindsley | Charlotte Summerville, Jessica Lovett | Belinda Carter | 2 | 1 |
| Bob Stephenson | Super | Kevin Lane | 1 | 1 |
| Bobby Hosea | Negotiator, Rick Reeba | Navy Captain Austin Sears | 2 | 1 |
| Brett Tucker | Kyle Adams | Navy Lieutenant Commander Geoffrey Brett | 1 | 1 |
| Brian Markinson | Julius Kaplan | Marine EOD Sgt. Dan Trask | 1 | 1 |
| Chad Todhunter | Trent Reager | Pete Lewis | 1 | 1 |
| Cheryl White | Mrs. Faith Mason | Rebecca Biddle | 2 | 1 |
| Donzaleigh Abernathy | Carolina Bell | NSA Deputy Director Ronda Ellis | 1 | 1 |
| Ely Pouget | Carla Jeffries | Julie Watson | 1 | 1 |
| Eric Winzenried | Manager | Andrew "Andy" Hopper | 1 | 1 |
| Gena Shaw | Sabrina James | Margo Lenkovic | 1 | 1 |
| Graham Beckel | Captain Hendricks | Norman "Pit" Pittorino | 1 | 1 |
| Gregg Binkley | Street Person #3 | Bob Stivers | 1 | 1 |
| Henri Lubatti | Charles Pinscher | Andre Yorka | 1 | 1 |
| J.C. MacKenzie | Dr. Gus Hoffman | Mitchell Reese | 1 | 1 |
| Jaleel White | Kenny Greene | Martin Thomas | 1 | 1 |
| Jama Williamson | Dina Bryant | Angelina Jennings | 1 | 1 |
| James Snyder | Hunter Ahearn | Dr. Miles Bauer | 1 | 1 |
| Jamie Harris | Howard Velco | Smitty Hastings | 1 | 1 |
| Jennifer Hall | Nora O'Toole | Daphne Everett | 1 | 1 |
| Jenny O'Hara | Sandra Walkey | Alice Brodie | 1 | 1 |
| Jeremy Ratchford | Tommy Sconzo | Baltimore Police Detective Ramsey Malone | 1 | 1 |
| John Billingsley | Paul Cyden | Jackson Scott | 1 | 1 |
| John D'Aquino | Gavin Fenish | Ken Ashmore | 1 | 1 |
| John M. Jackson | Russell Huntley | Rear Admiral A.J. Chegwidden | 1 | 1 |
| Jonathan Chase | Jeff Blakely | Navy Commander Marshall May | 1 | 1 |
| Joseph Lyle Taylor | Damon | Detective Edward Olson | 1 | 1 |
| Josh Stamberg | Dr. Tripton | Marine Major Ike Varnai | 1 | 1 |
| Karina Lombard | Pippa Sanchez | Retired Interpol Agent Monique Lisson | 1 | 1 |
| Kate Vernon | Dr. Penelope Russell | Caroline Morrow | 1 | 1 |
| Keir O'Donnell | Ken Richmond | Ramsey Boone | 1 | 1 |
| Kelly Hu | Angie Salinger | Lee Wuan Kai | 1 | 1 |
| Kelly Sry | Edward 40-Hands | Dr. Scott Long | 1 | 1 |
| Ken Lerner | Jerry Nivens | Albert Hencheck | 1 | 1 |
| Kenneth Mitchell | Dalton Burke | Nathan Curtis | 1 | 1 |
| Kiko Ellsworth | Tyson Briggs | Willie Taylor | 1 | 1 |
| Kirk B.R. Woller | Prison Official | Lt. Commander Julius | 1 | 1 |
| Lawrence Monoson | Toby Arcane | Adam O'Neill | 1 | 1 |
| Lilli Birdsell | Dr. Monica Warren | Jill Reynolds | 1 | 1 |
| Lori Alan | Valerie Esposito | Warden Diana Tully | 1 | 1 |
| Madison Mason | Vance Colton | Marine Lt. Colonel Bushnell | 1 | 1 |
| Marcus Brown | Stage Manager | Navy Petty Officer Dominic Dimarco | 1 | 1 |
| Marianne Muellerleile | Dolores Rinaldi | Nurse Hannah Dunstan | 1 | 1 |
| Matt Bushell | Point Man | Marine Lt. Rob King | 1 | 1 |
| Matthew Del Negro | Alan Quinn | Balboa | 1 | 1 |
| Matthew Holmes | Curtis LeBlanc | Griffin Dorn | 1 | 1 |
| Megan Ward | Lisa Adams | Laura Rowens | 1 | 1 |
| Michael Lowry | Wes Tosterone | Lt. Com. Akron, Thomas Mulligan | 1 | 2 |
| Michelle Clunie | Paulla Kingsley | Meredith Dunn | 1 | 1 |
| Miguel Pérez | Eduardo Maytorena | Federal Marshal Van Driver | 1 | 1 |
| Nathan Anderson | Tom Finnerty | Luke Walters | 1 | 1 |
| Owen Beckman | Kieran Clark | Nicholas Barnes | 1 | 1 |
| Pat Asanti | Robert "Bob" Graham, Shop Foreman | Ruben Williams | 2 | 1 |
| Patrick Bristow | Lionel Rose | Channing Elroy | 1 | 1 |
| Peter Asle Holden | Augie Heitz | Vector Control Worker | 1 | 1 |
| Rich Ceraulo Ko | Officer Elliot Woo | North Carolina State Trooper Muncie Tyson | 1 | 1 |
| Rocky McMurray | Construction Worker, Surveillance Director | Howard County P.D. Officer Ray Mitchell | 2 | 1 |
| Rodney Rowland | Gavin Pallard, Teddy Jr. | Operations Officer Jonah McGuire | 2 | 1 |
| Ronnie Gene Blevins | Rudy | Ronald Nowakowski | 1 | 1 |
| Roy Jackson | N.D. Officer | Bartender | 1 | 1 |
| Sam Witwer | Officer Casella | S Sgt. Rafael | 2 | 1 |
| Sasha Roiz | Danny Macklin | NCIS Agent Rick Hall | 1 | 1 |
| Scott Anthony Leet | Denny Mars | Jason Edom | 1 | 1 |
| Scott Lowell | Gavin Pearson | Terry Thomas | 1 | 1 |
| Sean McGowan | Sean Wyatt | Lieutenant Wallace | 1 | 1 |
| Shannon Lucio | Kristi Holt | Amy Harrison | 1 | 1 |
| Stephanie Lemelin | Ally Sullivan | Melody Hanson | 1 | 1 |
| Stephen Full | Editor | Mister Lewis | 1 | 1 |
| Steve Kazee | Dominic Humphreys | Michael Locke | 1 | 1 |
| Steve Rankin | Troy Thompson | Sgt. Bill Atlas | 1 | 1 |
| Steven Bauer | Bobby Esposito | Miguel Torres | 1 | 1 |
| Steven Eckholdt | John Dudek | Navy Cmdr. Dr. Brad Pitt | 1 | 1 |
| Susan Walters | Harper Fitzgerald | Marcy Brooks | 1 | 1 |
| Teddy Lane, Jr. | Uniform Officer | Deputy Barney | 1 | 1 |
| Terrell Tilford | Adrian Graham, George Craven | Navy Captain Jack Painter | 2 | 1 |
| Tina Huang | I.A. Detective Karen Park | Captain Boggs | 1 | 1 |
| Tom Virtue | Doctor, George | Frank Satner | 2 | 1 |
| Tom Wright | Bob Harris, Jake Daniels | Warden Sam Kelleher | 2 | 1 |
| Victor Webster | Bill Pernin | Dane Hogan | 1 | 1 |
| Hector Atreyu Ruiz | Jose Casita | Marine First Lieutenant Michael Torres | 1 | 2 |
| Sterling Macer, Jr. | Frank Damon | Homeland Assistant Director Chris Hegarty, Marine Sgt. Chris Hegarty | 1 | 2 |
| Alan Ruck | Buddy Mills | Ward Davis | 1 | 1 |
| Albie Selznick | Hugh Young | Marty Allen | 1 | 1 |
| Ali Hillis | Olivia Fowler | Antonia Morello | 1 | 1 |
| Brandon Bell | Kyle Ellis | Forest Ranger Jake | 1 | 1 |
| Brett Rickaby | Maintenance Man | Steve Diamond | 1 | 1 |
| Briana Lane | Maddie | Diane Boyle | 1 | 1 |
| Caroline Lagerfelt | Marjorie Randell | Mrs. Victoria Mallard | 1 | 1 |
| Christopher Goodman | Richard Adams | NCIS Special Agent Michael West | 1 | 1 |
| Coby Ryan McLaughlin | Derk Barlow | Pete Wilkins | 1 | 1 |
| Corey Mendell Parker | Nae Allen | Metro Police Officer Bilik | 1 | 1 |
| Dan Martin | Plant Nursery Worker | Mail Carrier | 1 | 1 |
| David Fabrizio | Thomas Simon | Marine Col. Frederick Cooper | 1 | 1 |
| Dean McDermott | Garth Fogel | Lt. Allan Witten | 1 | 1 |
| Devin Crittenden | Benny 'Rhino' Rheneiski | Mickey Steele / Clown | 1 | 1 |
| Eric Jungmann | Reese Bingham | Andy Pringle | 1 | 1 |
| Eric Ladin | Delf Rod | P.O. Thompson | 1 | 1 |
| Francis Capra | Tough Punk | Eddie Castillo | 1 | 1 |
| Glenn Taranto | Bus Driver | Eddie Kowolski | 1 | 1 |
| Heather Stephens | Karen Matthews | Lorraine | 1 | 1 |
| Holley Fain | Nadine Bradley | Audrey Daly | 1 | 1 |
| Hugh Scott | Cliff Ballard | Police Deputy Billy McCormick | 1 | 1 |
| J. Downing | Walter Blaine | Avis Boyle | 1 | 1 |
| Jacob Zachar | Chad Lane | Stevie Slater | 1 | 1 |
| Jamie Martz | Barry Shickle | Petty Officer First Class Marc Hobie | 1 | 1 |
| Jed Rees | Jay Finch | Mashir Malik | 1 | 1 |
| Jeff Branson | Jack Davari | Navy Commander Chad Hendricks | 1 | 1 |
| Jeremy Glazer | David Winnock | Douglas Pritchard | 1 | 1 |
| Jesse Garcia | Ollie Ruiz | Marine Private First Class Tomas Tamayo | 1 | 1 |
| Jim Parrack | Sgt. Jack Stone | Nick Hurley | 1 | 1 |
| Joe Egender | Seth Bender | Robert Graves | 1 | 1 |
| John Ales | Timothy Rand | Miles Hogan | 1 | 1 |
| John Asher | Zack Putrid | Fred Rinnert | 1 | 1 |
| John Cabrera | Copy Center Worker | Officer Samuel Tate | 1 | 1 |
| John Prosky | ADA Vanderpool | Carl Dalton | 1 | 1 |
| Johnny Sneed | Todd Piccone | CIA Agent Kramer | 1 | 1 |
| Jorge-Luis Pallo | John | Lt. Matthew Sanchez | 1 | 1 |
| Josh Daugherty | Ty Bentley | Devon Kane | 1 | 1 |
| Karis Campbell | Tara Weathers | Navy Lt. Elaine Taylor | 1 | 1 |
| Kasey Mahaffy | Ian Doyle | Doctor Patton Hartgrave | 1 | 1 |
| Kate Orsini | Mini-Mart Clerk | FBI Special Agent Isabel Monet | 1 | 1 |
| Kevin Christy | Witness | Clarence Tobett | 1 | 1 |
| La Monde Byrd | Young Harry Bastille | Marine Captain Rand Kraus | 1 | 1 |
| Larry Bagby | Hank Dudek | Craig Wilson | 1 | 1 |
| Larry Clarke | Detective Sulik | Director | 1 | 1 |
| Lindsay Pulsipher | Sally Rand | Tina Ellis | 1 | 1 |
| Louis Mustillo | Knife Expert | Emilio "Freckles" Zucado | 1 | 1 |
| Maite Schwartz | Kate | French Inspector Isabelle Chablis | 1 | 1 |
| Matt Winston | Brian Kelso | Rick Carvell | 1 | 1 |
| Michael B. Silver | Prosecutor | Nicholas Sandlock | 1 | 1 |
| Michael Hagerty | Hal Jackmin | Andy Hoffman | 1 | 1 |
| Ming Lo | Anthony Pak | Davey Chen | 1 | 1 |
| Myndy Crist | Rebecca Brewer | Jennifer Vickers | 1 | 1 |
| Patrick Malone | Clerk | Chuck Gorton | 1 | 1 |
| Patrick Stafford | Trent Moore | Billy Wayne | 1 | 1 |
| Paul Rae | Wesley Jones | Steve Hager | 1 | 1 |
| Paul Schackman | Bob Martin | Sullivan Brady | 1 | 1 |
| Perry Anzilotti | Businessman | Ted Rogers | 1 | 1 |
| Rey Valentin | Elvis Rodriguez | Dwayne Wilson | 1 | 1 |
| Robert Clendenin | Drive-In Manager | Pharmacist | 1 | 1 |
| Scott Paulin | Dr. Parker | Navy Capt. Kevin Dorn | 1 | 1 |
| Sean O'Bryan | Reverend Rebetti | David Shields | 1 | 1 |
| Seth Peterson | Perry Haber | Thomas Pearce | 1 | 1 |
| Sewell Whitney | Strut Rambler | Nicholas Mallard | 1 | 1 |
| Shelley Robertson | Doctor | Navy Captain Beverly Sharp | 1 | 1 |
| Shirley Jordan | Deputy | Mary Tyler | 1 | 1 |
| Stacy Edwards | Vicki Winston | Commander Janice Byers | 1 | 1 |
| Steven Brand | Dr. Malaga | Ian Hitch | 1 | 1 |
| Todd Allen | Eddie Lansco | Park Ranger James Landis | 1 | 1 |
| Travis Wester | Trent Hall | Metro P.D. Detective Miles Higgins | 1 | 1 |
| Wade Williams | Mr. Reston | Larry Purcell | 1 | 1 |
| Walter Perez | Rudy Adela | Army First Lieutenant Michael Waters | 1 | 1 |
| William Russ | Jonah Quinn | Philip Wickes | 1 | 1 |
| Yolanda Snowball | Motel Maid | Meeting Secretary | 1 | 1 |
| Blake Shields | Blaine, Ronald Tobin | Potential Recruit | 2 | 1 |
| Christopher Gartin | Dr. Holloway, Marcus Corcoran | Jason Tupperman | 2 | 1 |
| Cooper Huckabee | Gomez, Rick Fetzer | Kyle Larson | 2 | 1 |
| Michelle Anne Johnson | Pamela Adler | DOD Counterintelligence Supervisor Emma Fisher | 2 | 1 |
| Sarai Givaty | Natal Peled | Mossad Officer Liat Tuvia | 1 | 2 |
| Suzanne Rico | Field Reporter | Reporter, Suzanne McRobert | 1 | 2 |
| Wiley Pickett | Christian, Training Officer | Navy Captain David Wade | 2 | 1 |
| Alexandra Lydon | Angelica Carlos, Susan Hemmington | Natalie Dalton | 2 | 1 |
| Andy Comeau | Craig | M.P.D. Detective Tom Logan | 1 | 1 |
| Barbara Tarbuck | Paige Harmon | Grandma | 2 | 1 |
| Billy Aaron Brown | Owen Webber | Chief P.O. Velat | 1 | 1 |
| Brad Hawkins | Justin Mack | Aaron Barnes | 1 | 1 |
| Brady Smith | Tom Layman | David Cross | 1 | 1 |
| Brett Rice | Ben Gerard | Captain RJ Hammond | 1 | 1 |
| Cameron Deane Stewart | Dylan Trigg | Ben Koss | 1 | 1 |
| Cassidy Freeman | Officer Donna Grayson | Eva Azarova | 1 | 1 |
| Cassius Willis | Craig Jay | NCIS Special Agent Russell Wallace | 1 | 1 |
| Clint Culp | Mike Ithaca, Security Guard | Roy Baxter | 2 | 1 |
| Conrad Roberts | Palo Priest | Benjamin King | 1 | 1 |
| DaJuan Johnson | Officer Desmond | NIS Special Agent Edward Scott | 1 | 1 |
| Dan Warner | Campus Security Officer #2 | Federal Marshal | 1 | 1 |
| David Dean Bottrell | Bruce Grady | Assistant Director of Operations Donald Linder | 1 | 1 |
| Edward Edwards | Mr. Darwell | Congressman | 1 | 1 |
| Ele Keats | Joyce Lanier | Judy Shaw | 1 | 1 |
| Eric Petersen | Todd Burris | NCIS Forensic Accountant Dale Weems | 1 | 1 |
| Erich Anderson | Jack Garris | Jack Canton | 1 | 1 |
| Eyal Podell | Kevin Stern | Namir Eschel | 1 | 1 |
| Frank Clem | Caleb Carson | Phil Rutland | 1 | 1 |
| Gabriel Olds | Ben Weston | Gregg Norvell | 1 | 1 |
| Harry Van Gorkum | Jake Lenoir | Alton Brinkman | 1 | 1 |
| Ivar Brogger | Jacob Wolf | Simon Katz | 1 | 1 |
| James Black | Jackory | Gate guard | 1 | 1 |
| James Parks | Jonathan Wax | Brian Sikes | 1 | 1 |
| Jeremiah Birkett | Wilbur Tandy | Dean Neil Pattterson | 1 | 1 |
| Jim Holmes | Jim West | Edgar Hayes | 1 | 1 |
| Joel Polis | Judge Silvio Peters | Ronald Ostrowski | 1 | 1 |
| John Burke | Detective Henry Ketchum | Doctor Chris Friedman | 1 | 1 |
| Kevin Cahoon | Gary Drosdick | Joe Don Wynn | 1 | 1 |
| Kimberlee Peterson | Ashley Curtwell | Navy Lt. Keira Napleton | 1 | 1 |
| Kurt Caceres | Billy Ray Hatford | Marine Staff Sergeant Vincente Medina | 1 | 1 |
| Lombardo Boyar | Jesse Commons | Felix Quintero | 1 | 1 |
| Louise Griffiths | Mrs. Hobart | Mary Gardocki | 1 | 1 |
| Lucas Kerr | Matthew Tarland | Holden Baxter | 1 | 1 |
| Matt Malloy | Max Sullivan | George Pardo | 1 | 1 |
| Melissa Farman | Ashley Benson | Alexis Ross | 1 | 1 |
| Melissa Ponzio | Sasha Katsaros | Drew Turner | 1 | 1 |
| Michael Edwin | Oddsmaker #1 | TSA Officer Perkins | 1 | 1 |
| Michael McLafferty | Poolman Jack Jarvis | Kyle | 1 | 1 |
| Michael Weaver | Ross Neddy | Thomas McAllister | 1 | 1 |
| Myk Watford | David Jorgensen | Army Major Eric Sweigart | 1 | 1 |
| Patrick Cox | Burly Guy | Parking Enforcement Officer Carl Bjork | 1 | 1 |
| Paul Bartholomew | Parent | Spencer Dodd | 1 | 1 |
| Paul Hodge | Joseph Merrick | U.N. Solider | 1 | 1 |
| Pete Gardner | Dr. Scott | Detective Daniel Swanson | 1 | 1 |
| Phillip Rhys | Prince Hamad Al Maktoum | Yussif | 1 | 1 |
| Ramón de Ocampo | Julian Santiago | Navy Lieutenant Thomas Gorman | 1 | 1 |
| Ray Stoney | Suspect #1 | Ben Golden | 1 | 1 |
| Richard Burgi | Rick Weston | Randall Hammond | 1 | 1 |
| Rick Hoffman | Michael Raykirk | Kelvin Ridgeway | 1 | 1 |
| Rob Boltin | Mr. Copeland | Marine Capt. Rod Newell | 1 | 1 |
| Roger Ranney | Morgan Wendal | Elevator Repairman | 1 | 1 |
| Rya Kihlstedt | Carolyn Logan | Linda Idleton | 1 | 1 |
| Scott Alan Smith | Stuart Gardner | Det. Mauceri | 1 | 1 |
| Scott Connors | John Doe / Arman Agakian | Marine Sergeant Mitch Wilkins | 1 | 1 |
| Shane Conrad | J.J Milton | Navy Lt. Dean Westfall | 1 | 1 |
| Skyler Maxon | Frat Brother | Petty Officer Matthew Dean | 1 | 1 |
| Tess Lina | Interpreter | Nurse Maria Baliad | 1 | 2 |
| Tom McCleister | Walter Bangler | Mr. Green | 1 | 1 |
| V.J. Foster | Lead Righteous Dog | Arkady Kobach | 1 | 1 |
| Valerie Wildman | Friend #1 | Valerie Kordish | 1 | 1 |
| Yeniffer Behrens | Bianca Guerro | Marta Jimenez | 1 | 1 |
| Amanda MacDonald | Madeline Briggs | Norah Webb | 1 | 1 |
| Ben Reed | Willis | Chief P.O. Ian Goetz | 1 | 1 |
| Bob McCracken | Mason Carter | Joshua Drewe | 1 | 1 |
| Brad Greenquist | Taxi Manager | Dr. Damon Shore | 1 | 1 |
| Brando Eaton | Rodney Banks | Patrick Ellis | 1 | 1 |
| Brian George | Dr. Parayan | Dr. Ameen Temani | 1 | 1 |
| Charles Duckworth | Ben | Joe Bennes | 1 | 1 |
| Chris Ellis | Warden Clinton Malton | Gunnery Sgt. John Deluca | 1 | 1 |
| Colby Paul | Scott | Skateboard Kid #1 | 1 | 1 |
| Conor Dubin | Benjamin Oakley | Jeremy Pryor | 1 | 1 |
| Corbin Allred | Benjamin Corey Jennings | Corpsman Milano | 1 | 1 |
| Corie Vickers | Flight Attendant | NCIS Special Agent Lynn Davis | 1 | 1 |
| Cuyle Carvin | Captain Holland | Navy Lieutenant Commander Oliver Happ | 1 | 1 |
| Cyd Strittmatter | Dr. Wilson | Joanne Wright | 1 | 1 |
| Dale Pavinski | Tony Agrerro | Marine Sergeant Stephen O'Neill | 1 | 1 |
| Dameon Clarke | Scott Tucker | Homicide Detective Paul Dockry | 1 | 1 |
| Deidrie Henry | Terri Royce | Tracy Taylor | 1 | 1 |
| Derek Magyar | Paul O' Malley | Cameron Dean | 1 | 1 |
| Derek Ray | Lead Fireman | Navy Lieutenant Commander David Hernandez | 1 | 1 |
| Eric Matheny | Dr. Hawkins | Former NCIS Agent Kip Klugman | 1 | 1 |
| Eric Steinberg | Eric Louie | Marcos Siazon | 1 | 1 |
| Geoff Meed | Roy McCall | Corporal David Stenson | 1 | 1 |
| James Ferris | Detective Keys | Navy Lieutenant Commander Gregory Pullman | 1 | 1 |
| James Harvey Ward | John Lee | Andre Fullerton | 1 | 1 |
| James Leo Ryan | Morris | Richard Oscar Shea AKA Ricochet | 1 | 1 |
| Jeffrey Hutchinson | Mr. Estrin | Mister Dale Wagner | 1 | 1 |
| Jeffrey Johnson | Morgan Stewart | Navy Commander Nelson Tunney | 1 | 1 |
| Jennifer Crystal Foley | Jennifer Delaney | CIA Agent Constance Mazney | 1 | 1 |
| John Livingston | THD Audio Tech | Will Pritchard | 1 | 1 |
| Jonathan Fraser | Kevin Shepherd | Secret Service Officer Jack Lyon | 1 | 1 |
| Joseph Reegan | Arnie Clifton | Marcus | 1 | 1 |
| Loren Lazerine | Alex James | Building Manager | 1 | 1 |
| Michael Patrick McGill | Ruben Caster | Joey Kelly | 1 | 1 |
| Michael Wiseman | Director of Surveillance | Chet Tyber | 1 | 1 |
| Ping Wu | Coroner | Peter Liu | 1 | 1 |
| Rebecca Staab | Chelsea | Greta Boyen | 1 | 1 |
| Robert Curtis Brown | Dan Keaton | Gary Tolin | 1 | 1 |
| Robin Thomas | Bill Dorton | Dr. Neil Fleming | 1 | 1 |
| Russell Sams | Front Desk Clerk | Navy Petty Officer Second Class Daniel Graves | 1 | 1 |
| Scott Klace | Carl Johnson | Dr. Timothy Hass | 1 | 1 |
| Scott Peat | Head of Security | Mitchell Grafton | 1 | 1 |
| Sean Marquette | Bad Teen | Petty Officer Third Class Evan Lowry | 1 | 1 |
| Stephanie Michels | Cynthia Powell | Sean Oliver | 1 | 1 |
| Steven M. Gagnon | Bailiff | CIA Director Roger Kirkwood | 1 | 1 |
| Terrell Ransom Jr. | Eli Brewster | Parker Daly | 1 | 1 |
| Todd Jeffries | Foreman | Thomas Gardiner | 1 | 1 |
| Tug Coker | Seth Helm | Assistant State's Attorney Alan Wyner | 1 | 1 |
| Vanessa Bell Calloway | Judge Himmel | Sally Hammond | 1 | 1 |
| Vanessa Elese Garcia | Ana Ortiz | Navy Petty Officer First Class Patrice Gates | 1 | 1 |
| Vito D'Ambrosio | Alfonz DeRosa | Jonny Zucado | 1 | 1 |
| Yaani King Mondschein | Sheila Latham | Leandra Perkins | 1 | 1 |
| Brett Wagner | Prison Cell Mate | Grizzled Driver | 1 | 1 |
| Chris Flanders | Room Manager | Joseph McBride | 1 | 1 |
| Courtney Gains | Stan Gerber | Gary Silverstin | 1 | 1 |
| Damian O'Hare | Jonah Drake | Forcer NCIS Special Agent Allen Kane | 1 | 1 |
| Dave Shalansky | Tim O'Shea | Delivery Man | 1 | 1 |
| David Tom | Allen Krick | Maple | 1 | 1 |
| Erinn Bartlett | Woman at Elevator | Madeline Torrance | 1 | 1 |
| Evan Arnold | Robert Pitt / Rocky Raccoon | Gareth Bainbridge | 1 | 1 |
| Geno Monteiro | Bartender | Sergeant Seth Welch | 1 | 1 |
| Gill Gayle | Apartment Manager | Waylon | 1 | 1 |
| Gus Buktenica | Player | Drunk Guy | 1 | 1 |
| Heather Sossaman | Tiffany Bamford | Maggie | 1 | 1 |
| Hong Chau | Julie Blanch | FBI Lab Tech Molly Choi | 1 | 1 |
| Ion Overman | Female Reporter | Jane Thomas | 1 | 1 |
| Jimmy Jax Pinchak | Jimmy | Jason | 1 | 1 |
| Jon Sklaroff | Punky Dillinger | Jonathan Redding | 1 | 1 |
| Kendall Clement | Sergeant Crawford | Foreman | 1 | 1 |
| Lauren Hodges | Young Femal Passenger | Amanda Baylor | 1 | 1 |
| Leonard Kelly-Young | Al | George Keogh | 1 | 1 |
| René Ashton | Receptionist | Justine Wolfe | 1 | 1 |
| Rene L. Moreno | Adam Jiminez | Hector Cruz | 1 | 1 |
| Rick Ravanello | Ranger Ted Stone | David Harris | 1 | 1 |
| Robb Derringer | Victor's Partner | Jon Phelps | 1 | 1 |
| Robert Mailhouse | Character played: Les Dutton | Dr. Malcolm Lucas | 1 | 1 |
| Robert Mammana | Coach Tom Burns | Sheriff Greg Pearson | 1 | 1 |
| Ron Melendez | Ryan | Navy Lieutenant Gregory Dennis | 1 | 1 |
| Sandra Cevallos | Hispanic Woman | Judge Monic Perez | 1 | 1 |
| Shang Forbes | Cab Driver | DJ | 1 | 1 |
| Tom Ayers | Liquor Store Clerk | Bobby Dale Douglas | 1 | 1 |
| Tom Kiesche | Larry Coombs | Bob Whitehead | 1 | 1 |
| William Ragsdale | Dr. Bill Ryan | Brett Creevy | 1 | 1 |
| Adam Lieberman | Dwight Connor | U.S. Customs Officer Cruz | 1 | 1 |
| Anne Bedian | Officer Linda Mendosa | Hamida | 1 | 1 |
| Brit Shaw | Claudia Weber | Allison | 1 | 1 |
| Chaney Kley | Brent Martin | Corporal Paul Brinkman | 1 | 1 |
| Christinna Chauncey | Lori | Andrea Morton | 1 | 1 |
| Dariush Kashani | Amir Sayeed | Ezmaray Daoub | 1 | 1 |
| David Paladino | Officer Pratt | Retired Navy Senior Chief P.O. Diego De La Rosa | 1 | 1 |
| Elena Lyons | Julia Eastman | Diane Fontaine | 1 | 1 |
| Grant Garrison | Kevin Watson | P.O. Wilson | 1 | 1 |
| H. Richard Greene | Art Weber | Thomas Victor | 1 | 1 |
| Ivan Shaw | Busboy | Victor Cheng | 1 | 1 |
| J. Robin Miller | Amanda Freeman | Lt. Connors | 1 | 1 |
| Jennifer Gatti | Patricia Fielding | Negotiator Arkin | 1 | 1 |
| Jeremy Denzlinger | N.D. Uniform #2 | NCHP Colonel Bill Timmons | 1 | 1 |
| Jess Allen | Bouncer | Burly Bodyguard | 1 | 1 |
| Jon Lindstrom | Martin Sidley | Perry Davidson | 1 | 1 |
| Katy Boyer | Laurianne Hastings | Lieutenant Egan | 1 | 1 |
| Kim Robillard | Trucker | Dwayne Parker | 1 | 1 |
| Kinsey McLean | Laughlin CSI #2 | Navy Commander Sean Evans | 1 | 1 |
| Matt Kaminsky | Stewart Bradley | Henry Spivey | 1 | 1 |
| Nathan Wetherington | Eric Brooks | Ensign Evan Hayes | 1 | 1 |
| Richard Wharton | Kenny Valdez | Squeegee Man | 1 | 1 |
| Roopashree Jeevaji | Receptionist | Doctor | 1 | 1 |
| Ross Thomas | Trip Wilmont | Coast Guard Petty Officer Third Class Kyle Sterling | 1 | 1 |
| Scott Subiono | Desk Clerk | Louis Lancaster | 1 | 1 |
| Tom Choi | Director | Navy Commander Bradley Hall | 1 | 1 |
| Alex Quijano | Sexual Male Neighbor #2 | Blye Head of Security Blake Huxley | 1 | 1 |
| Andy Umberger | Rob Rhoda | FBI Agent Freedman | 1 | 1 |
| Chase Ryan Jeffery | Luke Daniels | Kyle Zorin | 1 | 1 |
| Jonathan Redford | Suburban Teen #1 | Corpsman Timothy Morgan | 1 | 1 |
| Kira Sternbach | Marla Hicks | Mary Messier | 1 | 1 |
| Matt Funke | Mark Horvatin | Seaman Justin Dobbs | 1 | 1 |
| Rebecca Boyd | Cherry Wincroft | Sarah Kidwell | 1 | 1 |
| Riley Thomas Stewart | Kevin Fetzer | Fred Miller | 1 | 1 |
| S. Zylan Brooks | Dispatcher | Catherine Scott | 1 | 1 |
| Andrew Kirsanov | Holy Steven | The Russian | 1 | 1 |
| Chad Bennett | Ed Smith | Homeland Security Agent #1 | 1 | 1 |
| Emiliano Torres | Ernesto Sanza | Hood #1 | 1 | 1 |
| Kirk Bovill | Dale Durney | Richard Sims | 1 | 1 |
| Alex Solowitz | Barry Wunderlick | Dave | 1 | 1 |
| Bruno Gunn | Uniform #1 | Air Boss | 1 | 1 |
| Dane Northcutt | Michael Tinsley | Marine Major Kerry | 1 | 1 |
| Kyle Davis | Clerk | John ‘Diesel’ Stevens | 1 | 1 |
| Sandra Thigpen | Driscoll's Attorney | Nurse Annie Hayes | 1 | 1 |
| Becky Wahlstrom | Suzy's Mom | FET Marine Staff Sergeant Catherine Littleton | 1 | 1 |
| Tony Daly | Valet | Marine Capt. John Rankin | 1 | 1 |
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