All 686 actors in both Castle and NCIS
686 actors have appeared in both Castle and NCIS, across 681 episodes. The most-credited is Maya Stojan, Tory Ellis in Castle and Meredith Ragen in NCIS.
| Actor | In Castle | In NCIS | Eps | Eps |
|---|---|---|---|---|
| Maya Stojan | Tory Ellis | Meredith Ragen | 26 | 1 |
| Muse Watson | Ivan Podofski | Mike Franks | 1 | 19 |
| Scottie Thompson | Tildy McGuire | Jeanne Benoit | 1 | 18 |
| Sunkrish Bala | Vikram Singh | Sameer Aziz | 9 | 1 |
| Darby Stanchfield | Meredith | Shannon Gibbs | 2 | 6 |
| Sarah Jane Morris | Leslie Morgan Thomas | NCIS Special Agent E.J. Barrett | 1 | 7 |
| Scott Paulin | Jim Beckett | Navy Capt. Kevin Dorn | 7 | 1 |
| Seamus Dever | Detective Kevin Ryan | NCIS Deputy Director Gabriel LaRoche, Graham Thomas | 1 | 7 |
| Geoff Pierson | Mr. Smith | Roy Carver | 6 | 1 |
| Leslie Hope | Gwenn Harwin | SecNav Sarah Porter | 1 | 6 |
| Paula Newsome | Debbie Parker | Jackie Vance | 1 | 4 |
| Victor Webster | Josh Davidson | Dane Hogan | 4 | 1 |
| Alicia Coppola | Amber Patinelli | Faith Coleman | 1 | 3 |
| Annie Wersching | Dr. Kelly Nieman | Deputy DA Gail Walsh | 3 | 1 |
| Carlease Burke | Storage manager | D'Arcy McKinna | 1 | 3 |
| Danny Nucci | Gilbert Mazzara, Lance | Gordon Fremont | 3 | 1 |
| Jonathan Adams | Vulcan Simmons | Thomas Zuri | 3 | 1 |
| Patrick Labyorteaux | Glen Hume | JAG Navy Captain Bud Roberts, Jr., Olev Kozlov | 1 | 3 |
| Salli Richardson-Whitfield | U.S. Attorney Elizabeth Weston | Carrie Clark | 1 | 3 |
| Adam Baldwin | Detective Ethan Slaughter | Cdr. Rainer | 2 | 1 |
| Anne-Marie Johnson | Sondra Kramer | Marine Col. Stacey Radcliffe, Senator Selena Grayson | 1 | 2 |
| Brett Cullen | Christian Dahl | Navy Capt. Todd Gelfand | 1 | 2 |
| Dina Meyer | Lady Irena | Holly Snow | 1 | 2 |
| Don Stark | Vincent "The Scar" Cardano | Marty Fiero | 2 | 1 |
| Doug Savant | Trevor Nigel | Larry Clannon, Marine Brigadier General Daniel Kent | 1 | 2 |
| French Stewart | Zach Robinson | Paul Triff | 1 | 2 |
| Ian Reed Kesler | Hugo Morrison | Mark Daniels, Police Officer Howard Shelly | 1 | 2 |
| James Morrison | Commissioner Malone | CIA Assistant Director Jonathan Overmeier, U.S. Senator John Phillips | 1 | 2 |
| Jason Antoon | Steve Warner | Cyber Intelligence Specialist Ernie Malik | 1 | 2 |
| Jason Beghe | Mike Royce | Blake Martin | 2 | 1 |
| Joseph C. Phillips | Mayor | Phillip Conway | 2 | 1 |
| K Callan | Delores Marsh | Bertha Jones-Delacroix, Grace Mullen | 1 | 2 |
| Karan Oberoi | Achmed Sahid | Benham Parsa | 1 | 2 |
| Leonard Roberts | Special Agent Jason Avery | P.O. Howard Carter | 2 | 1 |
| Linara Washington | Christina Marx | Lara Morgan | 1 | 2 |
| Peter Jason | Sheriff Sloan | Marine Sergeant Major Robert King | 1 | 2 |
| Robert Picardo | Dr. Clark Murray | Retired Marine Gunnery Sergeant Dale Harding | 2 | 1 |
| Robert Pine | Gerry Finnegan | Congressman Theodore Randolph, Golfer Ben | 1 | 2 |
| Tim Russ | Dr. Malcolm Wickfield | Dr. Erik Harper, Jerry Kemper | 1 | 2 |
| A Martinez | Cesar Calderon | Tomas Orlando | 1 | 1 |
| Aaron Craven | Henry Collins | U.S. Congressman for Virginia Eric Riley | 1 | 1 |
| Adam J. Harrington | Brad Melville | Coast Guard Commander Sam Hendrix | 1 | 1 |
| Al Sapienza | Mr. Jones | Maurice Riva, Cmdr. William Foley | 1 | 3 |
| Alexis Carra | Julie | Kelly Connor | 1 | 1 |
| Alimi Ballard | Frank Jackson | NCIS Special Agent Gayne Levin | 1 | 3 |
| Amanda Schull | Joy Jones | Kay Barlow | 1 | 1 |
| Amy Gumenick | Danielle | Katrina Cooper | 1 | 1 |
| Brett Tucker | Detective Inspector Colin Hunt | Navy Lieutenant Commander Geoffrey Brett | 1 | 1 |
| Brian Letscher | Liam Finch | Sam Bennett | 1 | 1 |
| Brianna Brown | Eva Whitfield | Melinda Martin | 1 | 1 |
| Bruce Davison | D.A. Lou Karnacki | Lester Burm | 1 | 1 |
| Cara Buono | Siobhan O'Doul | Navy Commander Sarah Resnik | 1 | 1 |
| Charles Carpenter | Reporter | Sheriff Marcus Mayes | 1 | 1 |
| Chris Mulkey | Wilbur Pittorino | Navy Captain Richard Owens | 1 | 1 |
| Christina Cox | Maggie Finch | Marine Gunnery Sergeant Georgia Wooten | 1 | 1 |
| Christine Woods | Leann West | Rebecca Jennings | 1 | 1 |
| Denise Crosby | Dr. Marion Baker | Secretary of the Navy Hattie Taylor | 1 | 1 |
| Eric Ladin | Daniel Sullivan | P.O. Thompson | 1 | 1 |
| Eric Lange | Simon Warburg | William Lafferty | 1 | 1 |
| Erin Matthews | Elizabeth Forte | Deputy Attorney General Mara Reeves | 1 | 1 |
| Erin Way | Audrey O'Neill | Dr. Samantha Linden | 1 | 1 |
| François Chau | Clifford Lee | Henry Deng | 1 | 1 |
| George Newbern | Howard Peterson | Arthur Haskell | 1 | 1 |
| Gregory Harrison | Danny Valentine | Navy Captain Roland Ebbakey | 1 | 1 |
| Jackie Geary | Maggie Dowd | NCIS Agent Susan Grady | 1 | 3 |
| Jackie Tohn | Cyber Rita | Counselor Celia Ross | 1 | 1 |
| Jacqueline Obradors | Allison Hyde | Paloma Reynosa | 1 | 3 |
| James Eckhouse | Gene Vogel | Fred Cabrisio | 1 | 1 |
| Jason Manuel Olazábal | Detective Kurt Menendez | Todd Mercer | 1 | 1 |
| Jayne Brook | Claudia Peterson | Lyndi Crawshaw | 1 | 1 |
| Jeanette O'Connor | Dorothy McCabe | Teri | 1 | 1 |
| Jonah Wharton | Dr. Hoswer | Robert Flynn | 1 | 1 |
| Justin Bruening | "Rocket" Rob Tredwyck | Lieutenant Bryce Prescott | 1 | 1 |
| Lance Henriksen | Benny Stryker | Sheriff Clay Boyd | 1 | 1 |
| Lisa Kaminir | Captain Edmunds | Dr. Romero | 1 | 1 |
| Lise Simms | Wendy Johnson | Kenna Reynolds | 1 | 1 |
| Mark Berry | Captain Bigelow | Joe | 1 | 1 |
| Mary Page Keller | Rebecca Dalton | Lt. Cmdr. Miki Shields | 1 | 1 |
| Mercedes Mason | Marina Casillas | Police Officer Heather Kincaid | 1 | 1 |
| Michael Hyatt | Mrs. Leslie Ruiz | Judy Williams | 1 | 1 |
| Michael Petrone | Ivan | Camping Guide Carl | 1 | 1 |
| Molly Hagan | Daisy May | Audrey Vetter | 1 | 1 |
| Nikki DeLoach | Annie Klein | Army Lieutenant Colonel Maya Leland | 1 | 1 |
| Raphael Sbarge | Dr. Darrell Meeks | Rupert Kritzer | 1 | 1 |
| Ray Wise | Bobby Fox | Wayne Tobett | 1 | 1 |
| Rick Cosnett | Victor Crowne | Sean Parks | 1 | 1 |
| Rick Gonzalez | Mickey Carlson | Lenny Machaca | 1 | 1 |
| Shaun Duke | Felix Gozarian | Azid Abu Selom | 1 | 1 |
| Stefan Marks | Archibald Fosse | Navy Lieutenant Ian Floyd | 1 | 1 |
| T.J. Ramini | Prince Khalid Hasheim | Mossad Officer Malachi Ben-Gidon | 1 | 3 |
| Taylor Cole | Regina Cane | Charlotte Cook | 1 | 1 |
| Teri Reeves | Miranda Vail | Navy LTJB Dana Robbins | 1 | 1 |
| Titus Makin, Jr. | Tim Cabot | Navy Ensign Thomas Burke | 1 | 1 |
| William deVry | Dan Renner | Lieut. Cmdr. D. Stone | 1 | 1 |
| William R. Moses | Blake Wilder | Edison Geary | 1 | 1 |
| Yvonne Zima | Veronica | Lana | 1 | 1 |
| Alastair Duncan | Reginald Easley | Peter Velo, Ron Davenport | 1 | 2 |
| Anna Grace Barlow | Annie Beakman | Karen | 1 | 2 |
| Carlos Gómez | Captain Fowler | Admiral Carlos Mendoza, Reyes | 1 | 2 |
| Chad Lindberg | Marco Vinstrolli | Joey Peanuts | 1 | 2 |
| Chad Michael Collins | Tom Talmadge | Major Matt Malone, Navy Petty Officer First Class Simon Craig | 1 | 2 |
| Derek Webster | Mayor Robert Weldon | Major Joe Sacco, Marine Capt. Stengel | 1 | 2 |
| Devin McGinn | Colin Clark | Stewart Dorfman | 1 | 2 |
| Gil McKinney | Tyler Benton | Crewman, Logan Donahue | 1 | 2 |
| Hilary Ward | Bella | Jessica Shaeffer | 1 | 2 |
| Jack McGee | Dale Fickas | Det. Floyd, Richard "Rick" Jordan | 1 | 2 |
| Jaime Ray Newman | Holly Franklin | Navy Lieutenant Commander Melanie Burke | 1 | 2 |
| Jocko Sims | Matt Hendricks | Michael Thomas | 2 | 1 |
| Jonathan LaPaglia | John Knox | Special Agent Brent Langer | 1 | 2 |
| Josh Stamberg | Martin Danberg | Marine Major Ike Varnai | 2 | 1 |
| Lindsay Price | Lindsey Trent | Navy Lt. Pam Kim | 1 | 2 |
| Melinda Page Hamilton | Diana Harris | Kathy Sheldon, Vanessa Tillman | 1 | 2 |
| Mitch Pileggi | Hans Brauer | U.S. Secretary of Defense Wynn Crawford | 1 | 2 |
| Omid Abtahi | Waqas Rasheed | Saleem Ulman | 1 | 2 |
| Rick Peters | Tony Blaine | Vincent Maple | 1 | 2 |
| Ryan Doom | Tom Williams | George Russell Bishop | 1 | 2 |
| Allan Louis | Capt. Frank Mahoney | Navy Captain Dominick Wayne | 1 | 3 |
| David Chisum | Thomas Gage | Doctor David Woods | 2 | 2 |
| Vince Nappo | Jordan Keegan | Jacob Scott | 1 | 3 |
| Abby Brammell | Carol Thornton | Marine Sergeant Heather Dempsey | 1 | 1 |
| Alex Fernandez | Capt. Marcus Donovan | Joseph Flores | 1 | 2 |
| Alla Korot | Dry Cleaner | Linda DeMarco | 2 | 1 |
| Alon Aboutboul | Fariq Yusef | Prince Omar Ibn Alwaan | 2 | 1 |
| Andrea Bogart | Callie Langston | Melissa Tourney | 1 | 1 |
| Anthony Starke | Gary Moore | Derrick Choyce | 1 | 1 |
| Billy Lush | Finn McQueen | Fisher Hyland | 1 | 1 |
| Billy Miller | Mickey Gerhardt | Ezra Moretti | 1 | 1 |
| Brian Howe | Aaron Lerner | Sherriff Tom Barrett | 1 | 1 |
| Brynn Thayer | Penelope Keller | Adams County Sheriff's Department Sheriff Mary Talbot | 1 | 1 |
| Caroline Lagerfelt | Angelica Henley | Mrs. Victoria Mallard | 1 | 1 |
| Catherine Dent | Beth Tanner | Former NCIS Special Agent Whitney Sharp | 1 | 2 |
| Charlene Amoia | Ana Marie | Denise Mancuso | 1 | 1 |
| Chris Coy | Zeke | Riley Davis | 1 | 1 |
| Chris L. McKenna | Simon Westport | Eric Webb | 1 | 1 |
| Christopher B. Duncan | Marcus Weller | CIA Officer Dale Harris | 1 | 1 |
| Christopher Cousins | Nolan Burns | Jordan Jones | 1 | 1 |
| Claudia Christian | Logan Moore's Mother | Belgian Vsse Officer Louise Moreau | 1 | 1 |
| Corey Reynolds | Mr. West | Navy Lieutenant Commander Aaban El-Sayad | 1 | 1 |
| Dameon Clarke | Scott Dunn | Homicide Detective Paul Dockry | 2 | 1 |
| Daniel Roebuck | Joe Silva | Port Security Chief Matthew Lake | 1 | 1 |
| Danielle Bisutti | Claire Panchard | Secret Service Special Agent Ashley Winter | 1 | 1 |
| David Blue | Kyle | Charlie Samuels | 1 | 1 |
| David Eigenberg | Peter Connelly | Ted Bankston | 1 | 1 |
| David Marciano | Bill Garrett | Bartender | 1 | 1 |
| David Meunier | Sasha | Wade Cutler | 1 | 1 |
| David Starzyk | Lee Copley | Allan J. Carter, Councilman Allan Berger | 1 | 2 |
| Daya Vaidya | Sophia Del Cordova | Summer Diamond | 1 | 1 |
| Dean Norris | Captain John Davis | Vestman | 1 | 1 |
| Deborah Strang | Ruby | Diane Warner | 1 | 1 |
| Dennis Cockrum | Auctioneer | NSA Tech, Senator | 1 | 2 |
| Dilshad Vadsaria | Angela Olvera | Shakira Zayd | 1 | 1 |
| Dohn Norwood | Charles Oni | Fairfax County P.D. Sergeant Sherman T. Harper | 1 | 1 |
| Don Franklin | Tommy Zane | FBI Agent Ron Sacks | 1 | 3 |
| Eric Nenninger | John Dessens | Navy Corpsman Taylor Henley | 1 | 1 |
| Erik Palladino | Coach Rome | Marine Staff Sergeant Daniel Cryer | 1 | 1 |
| Fredric Lehne | Addison Smith | Captain Graves | 1 | 1 |
| Greg Serano | Agent Napier | Jalen Washington | 1 | 1 |
| Jackson Hurst | Harlan Mathis | Zach Nelson | 1 | 1 |
| James Carpinello | Frank Henson | Smitty Brown | 1 | 1 |
| James Read | Anton McHugh | Alan Newhall | 1 | 1 |
| Jamie McShane | Tony "The Butcher" Valtini | Samuel Hayes | 1 | 1 |
| Jason Wiles | Damian Westlake | Paul LeMere | 1 | 2 |
| Jeffrey Pierce | Wyatt Monroe | Marine Sgt. Michael McMannis | 1 | 1 |
| Jeryl Prescott | Nurse | Annie Sullivan | 1 | 1 |
| Jessica Tuck | Joy McHugh | Gloria Caplinger | 1 | 1 |
| Jim Hoffmaster | Clerk | Administrator | 1 | 1 |
| Joe Nieves | Boyd Gamble | Justin Kinneman | 1 | 1 |
| John Allen Nelson | Walter Dennis | JSOC Vice Admiral Lloyd Manditsky | 1 | 1 |
| John Billingsley | Dr. Harvey Larson | Jackson Scott | 1 | 1 |
| John Getz | Dr. Gustavo Bauer | Walter Kane | 1 | 1 |
| José Zúñiga | Alfredo Quintana | Navy Capt. Dr. Adrian De La Casa | 1 | 1 |
| Josh Randall | Miles Haxton | Navy Commander Ryan Barnes | 1 | 1 |
| Josie Loren | Bridget McManus | Jane | 1 | 1 |
| Julie Gonzalo | Madison Queller | Sarah Schaefer | 1 | 1 |
| Kelly Hu | Scarlet Jones | Lee Wuan Kai | 1 | 1 |
| Kevin Christy | Todd / Brandon Northcliff | Clarence Tobett | 1 | 1 |
| Kevin Kilner | Jamie Berman | Patrick Norian | 1 | 1 |
| Kristen Ariza | Sandra Whitman | CIA Operations Officer Loretta Tennison | 1 | 1 |
| Larry Poindexter | Det. McBride | Dr. Berman | 1 | 1 |
| Laura Regan | Rebecca Siegel | Amber Davis | 1 | 1 |
| Linc Hand | Ray Price | Navy Petty Officer First Class Damien Hunter | 1 | 1 |
| Linda Park | Chief Inspector Zhang | JAG Officer Lieutenant Nora Patel | 1 | 1 |
| Lochlyn Munro | Kevin McCann | Kevin Holt | 1 | 1 |
| Mark Rolston | Kurt Van Zant | George Westcott | 1 | 2 |
| Meredith Monroe | Elise Resner | April Ferris | 1 | 1 |
| Nazneen Contractor | Layla Nazif | Senior FBI Agent Beth Rollins | 1 | 1 |
| Neil Brown Jr. | Eddie Gordon | Martin Archer | 1 | 1 |
| Nick Chinlund | Evan Mitchell | Detective Steve Rosetti | 1 | 1 |
| Nick E. Tarabay | Vasiliy Zhirov | Haziq Khaleel | 1 | 1 |
| Niko Nicotera | Ziff Falgrad | Albert Leary | 1 | 1 |
| Oliver Muirhead | Bryce Robert, Steven Heisler | Jay Danorth | 2 | 1 |
| Patrick Cohen | Patrick McConnell | Pastor Eddie Watkins, Petty Officer Third Class Dan Garscott | 1 | 2 |
| Patrick Fabian | Peter Monroe | Ray Vincent | 1 | 1 |
| Patrick Fischler | Leo | George Stenner | 1 | 1 |
| Perrey Reeves | Helen Parker | Wendy Miller | 1 | 1 |
| Rebecca Wisocky | Dr. Elena Sarkov | Jody Carvell | 1 | 1 |
| Reiko Aylesworth | Mia Lopez | Anne Marshall | 1 | 1 |
| Richard Burgi | Charlie Turner | Randall Hammond | 1 | 1 |
| Rodney Rowland | Mick Linden | Operations Officer Jonah McGuire | 1 | 1 |
| Sam Anderson | Principal Duncan | Walter Carmichael | 1 | 1 |
| Samantha Sloyan | Pam | Emily Goodwin | 1 | 1 |
| Scott Michael Campbell | Lee Travis | Robert Miller | 1 | 1 |
| Shaun Toub | Dr. Philip Boyd | Khalid Mohammed Bakr | 1 | 1 |
| Spencer Garrett | Evan Pierce | Commander Spenser | 1 | 1 |
| Suleka Mathew | Detective Neely | Navy Commander Maria Castro | 1 | 1 |
| Tembi Locke | Beth Cabot | Alice Kent Staley | 1 | 1 |
| Teri Polo | Kayla Baron | Vivian Kolchak | 1 | 2 |
| Tiffany Dupont | Greta Mastroianni | Kimberly Nolan | 1 | 1 |
| Tim De Zarn | Bartender | David Runion | 1 | 1 |
| Tim Griffin | Spalding Elliot | Marine Sgt. Malcolm Porter | 1 | 1 |
| Tim Guinee | Andrew Haynes | Bart Lemming | 1 | 1 |
| Todd Waring | Doug Ellers | Albert James "Jamie" Beck | 1 | 1 |
| Tom Virtue | Judge Fitz | Frank Satner | 1 | 1 |
| Tracy Scoggins | Lana | Tabitha Summers | 1 | 1 |
| Vernée Watson | Mercy LaGrande | Miss Helen Frimkes | 1 | 1 |
| Victoria Pratt | Connie Park | Flight Attendant Tiffany Chase | 1 | 1 |
| William Allen Young | Jerry Camden | FBI Director Barry Hutchins, U.S. Secretary of Defense Moses McClaine | 1 | 2 |
| Bernard White | Anwar El-Masri | Afghani Ambassador Qasim Saydia | 2 | 1 |
| James MacDonald | Benjamin Wade | Capt. Faul, Navy Admiral Norton Padgett | 1 | 2 |
| Alex Carter | Michael Goldman | Knox Elicott | 1 | 1 |
| Alexandra Barreto | Annie Swift | Navy Petty Officer Rena Oliver | 1 | 1 |
| Alicia Lagano | Emma Briggs | Joann Allman | 1 | 1 |
| Allison McAtee | Andrea Fisher | Spandaxia | 1 | 1 |
| Amanda Walsh | Lulu | Ellen Roberts | 1 | 1 |
| Andrew Elvis Miller | Jake Cunio | Sam Novak | 1 | 1 |
| Andrew Rothenberg | Donald Salt | Bruce Solomon | 1 | 1 |
| Aris Alvarado | Tito | Tomas Zepeda | 1 | 1 |
| Bellamy Young | Candace Ford | ATF Agent Melinda Stone | 1 | 1 |
| Brennan Elliott | Jason Cosway | Martin Stillwell | 1 | 1 |
| Brian McNamara | Mike Sampson | Noah Sykes | 1 | 1 |
| Cas Anvar | Dr. Rampanel | Masoud Tariq | 1 | 1 |
| Casey Sander | Billy O'Rourke | Ed Gantry | 1 | 1 |
| Chad E. Donella | Troy Strickland | John Briggs | 1 | 1 |
| Chet Grissom | Agent Gray | Rupert Kittridge | 1 | 1 |
| Chris Browning | Biker | NCIS REACT Supervisory Special Agent Tom Dalton | 1 | 1 |
| Christina Ferraro | Sarah Vasquez | Navy Chief Mary Choi | 1 | 1 |
| Conor O'Farrell | Ronald Armstrong | William Danforth | 1 | 1 |
| Courtney Ford | Courtney Ford | Navy Petty Officer 2nd Class Kaylen Burrows | 1 | 1 |
| Dahlia Salem | Tory Westchester | Maria De La Rosa | 1 | 1 |
| Dave Florek | Harvey | Virgil McKeever | 1 | 1 |
| David Andrews | Carl Shelton | U.S. Secretary of Defense Errol Coyne | 1 | 1 |
| David Burke | Chief John Brady | George Ingram | 1 | 1 |
| David S. Lee | Matt Lanchet / Leo Wyngaard | Veli Tupolev | 1 | 1 |
| Dinora Walcott | Det. Mindy Stegner | Tour Guide | 1 | 1 |
| Drew Powell | Sam Carson | Fred Hadley | 1 | 1 |
| Eden Malyn | Tina Tamino | Lillian Beck | 1 | 1 |
| Ella Thomas | Natasha Piper | Heidi | 1 | 1 |
| Emily Baldoni | Svetlana Renkov | Desk Clark | 1 | 1 |
| Erick Avari | Rupert Bentley | Col. Dan McClafferty | 1 | 1 |
| Erin Krakow | Julie Rogers | Elizabeth Dean | 1 | 1 |
| Frederick Koehler | Adam Pike | Simon Gravy | 1 | 1 |
| Gideon Emery | Lloyd Saunders | Rudolph Stalin | 1 | 1 |
| Graham Beckel | Ted Murphy | Norman "Pit" Pittorino | 1 | 1 |
| Greg Cromer | Harvey Stryker | Webber Silk | 1 | 1 |
| Heather Mazur | Gwen Kelly | Laura Strike-DePalma | 1 | 1 |
| Ivo Nandi | Teodor Hajek | Manny Varigan | 1 | 1 |
| James Black | Darius Carson | Gate guard | 1 | 1 |
| James Ellis Lane | Agent Eastman | U.S. Marshal | 1 | 1 |
| James Martin Kelly | Robert Decker | Mookie Perkins | 1 | 1 |
| Jeff Hephner | Edmund Drake, Zalman Drake | Navy Commander Peter "Banshee" Sheridan | 1 | 1 |
| John Kapelos | Joe Pulgatti | Vice Principal Vic Castor | 1 | 1 |
| Jon Huertas | Detective Javier Esposito | Jack Kale | 1 | 1 |
| Jonathan Bray | Lloyd Beakman | Senator Judd Larmont | 1 | 1 |
| Judith Moreland | Sandy Jenkins | Carrie Lewis | 1 | 1 |
| Judy Kain | Sara | Gladys Stone | 1 | 1 |
| Julian Acosta | Alfred Candela | Matt Burns | 1 | 1 |
| Julie Claire | Lisa Jenkins | Lois Heller | 1 | 1 |
| Kareem Grimes | Omar Lincoln | Bushmeat Smuggler | 1 | 1 |
| Kari Coleman | Julia Hammond | Maggie Scott | 1 | 1 |
| Kathe Mazur | Anya Mishkin | Vice Admiral Dawn Tyson | 1 | 1 |
| Kathleen York | Kat Kingsley | Stephanie Flynn | 1 | 1 |
| Keith Robinson | Random Pierce | Henry Caldwell | 1 | 1 |
| Kenneth Mitchell | Paul Whittaker | Nathan Curtis | 1 | 1 |
| Lobo Sebastian | Diego Gutierrez | Renaldo Aranda/Engineer | 1 | 1 |
| Loren Lester | Mr. Simmons | Dr. Edgar Cromwell | 1 | 1 |
| Mac Brandt | Jeremy | Jake Spoke | 1 | 1 |
| Mark Bloom | Neal Morris | Dr. Marley | 1 | 1 |
| Maxwell Caulfield | Sir Ian Rasher | Dr. Madison Fielding | 1 | 1 |
| Michael Chieffo | Dr. Brock Martin | Randy Devereaux | 1 | 1 |
| Michael Grant Terry | Jordan Norris | Marine Sergeant Theodore "Ted" Lemere | 1 | 1 |
| Michael Graziadei | Brent Johnson | Chuck | 1 | 1 |
| Michael McGrady | Brian Reilly | Walter Dunn | 1 | 1 |
| Michael Reilly Burke | Frank Nesbit | Frank Connell | 1 | 1 |
| Mimi Kuzyk | Sheila Blaine | Ginger Stevenson | 1 | 1 |
| Neil Hopkins | Ted Carter | Jeremy Davison | 1 | 1 |
| Nestor Serrano | Gregor Volkov | NSA Supervisor Jeremy Marlens | 1 | 1 |
| Nicki Micheaux | Michelle | Metro P.D. Detective Martha Mayer | 1 | 1 |
| Patrick St. Esprit | Special Agent Emmett Forrest | Navy Commander Weidman | 1 | 1 |
| Peter MacKenzie | Sgt. Roman | Jack Murdoch | 1 | 1 |
| Peter Onorati | Sal Malavolta | Chief of the Boat | 1 | 1 |
| Philip Anthony-Rodriguez | Michael Grant | Former Marine LCPL Lloyd Jackson | 1 | 1 |
| Ping Wu | Dr. Lee | Peter Liu | 1 | 1 |
| Randall Batinkoff | Brad Williams | Walt Freeman | 1 | 1 |
| Robert Costanzo | Sal Tenor | Jimmy Napalitano | 1 | 1 |
| Robert Gant | Ron Bigby | Mike Dunke | 1 | 1 |
| Sebastian Sozzi | Joey Montez | Kevin Deacon | 1 | 1 |
| Senta Moses | Michele Langford | Company Receptionist | 1 | 1 |
| Shane Coffey | Sean Tanner | Sean Greco | 1 | 1 |
| Shane Johnson | Deputy Adam Jones | CIA Agent Stephen Wheeler | 1 | 1 |
| Skyler Stone | Douglas Stevens | Uncle Stan | 1 | 1 |
| Sonya Leslie | Valerie Thompson | Nancy | 1 | 1 |
| Sophina Brown | Brooke Carver | Navy Reserve Lieutenant Callie Daniels | 1 | 1 |
| Stephen Snedden | Man | Jim Murphy | 1 | 1 |
| Steve Talley | Kent Scoville | Bill | 1 | 1 |
| Tommy Savas | Marcus Hiatt | Max Sanders | 1 | 1 |
| Van Epperson | Postal Clerk | Pop | 1 | 1 |
| Burnadean Jones | Tech #2 | Sally Smith | 2 | 1 |
| Christian Gehring | Conrad Hayward | Lieutenant Mason Winslow, Metro Police Officer Owen Tamblin | 1 | 2 |
| Clare Carey | Noreen Hixton | Ann Gibbs | 1 | 2 |
| Coby Ryan McLaughlin | Brooks | Pete Wilkins | 2 | 1 |
| Peter James Smith | Agent Richmond | Benjamin Harmey | 2 | 1 |
| Usman Ally | Bilal Jafari | Victor Mir | 1 | 2 |
| Aaron Hill | Kurt Wilson | Navy Seal Lieutenant William Blake | 1 | 1 |
| Adam Kulbersh | Brian Shay | Alan Katzenbach | 1 | 1 |
| Adam Wylie | Ronny | Darin Spotnitz | 1 | 1 |
| Adrian LaTourelle | Rob Garrison | Benson Honeycutt | 1 | 1 |
| Adrian Sparks | Thaddeus Magnus | Hugo Radcliffe | 1 | 1 |
| Alan Smyth | Agent Steven Mallory | Nick Kerry | 1 | 1 |
| Alexandra Bokyun Chun | Ms. Cross | Phyllis Wu | 1 | 1 |
| Aline Elasmar | Bridget Dantana | Annie Hankamer | 1 | 1 |
| Amy Stewart | Brandy Rossi | Katie Happ | 1 | 1 |
| Annie Little | Carolyn Decker | Merri Dade | 1 | 1 |
| Antonio Sabàto Jr. | Ramon Russo | Dale Kapp | 1 | 1 |
| Arnell Powell | Chris Jackson | Abraham Moussalah | 1 | 1 |
| Barry Livingston | Abe | Bartholomew Lemming | 1 | 1 |
| Benito Martinez | FBI Special Agent Sam Walker | Detective Conklin | 1 | 1 |
| Bess Armstrong | Paula Casillas | U.S. Senator Denise O’Hara | 1 | 1 |
| Brian David Jones | State Trooper McNichols | Uniformed Guard | 1 | 1 |
| Bruce Gray | Charles Carson | CIA Director Roper | 1 | 1 |
| Caroline Whitney Smith | Mother | Molly | 1 | 1 |
| Charles Shaughnessy | Nigel Wyndham | Balthazar Kilmeany | 1 | 1 |
| Charlie Bodin | Julian Cutter | Keith Messier | 1 | 1 |
| Chris Butler | Bob Foster | Clarence | 1 | 1 |
| Cliff Simon | Polkovnik | "Sea Voyager's" Captain | 1 | 1 |
| Daniel Steven Gonzalez | Bronx PD Officer | Rico Ruiz | 1 | 1 |
| Danny Max | Justin | News Reporter | 1 | 2 |
| Darin Toonder | Frankie | Curt Shapiro | 1 | 1 |
| David Gautreaux | Dr. Oliver Pressing | Richard Colford | 1 | 1 |
| David Shatraw | Brian Whitman | Bobby Quinn | 1 | 1 |
| Eddie Shin | Johnny Vong | CGIS Special Agent Kyle Omagi | 1 | 1 |
| Eden Riegel | Rachel Goldstein | Meredith Bilson | 1 | 1 |
| Elizabeth Ho | Amy Saunders | NCIS Analyst Emma Park | 1 | 1 |
| Eltony Williams | Officer Marino | Marine Gunnery Sergeant Cal Groves | 1 | 1 |
| Erin Cahill | Cecily Burkett | Navy Lieutenant Jessica Summers | 1 | 1 |
| Evan Helmuth | Nick Johnston | EMT Jeff Beilsman | 1 | 1 |
| Francis Capra | Juan Restrepo | Eddie Castillo | 1 | 1 |
| Glenn Morshower | Defense Secretary Michael Reed | Cmdr. Robert Peters | 1 | 1 |
| Gregg Daniel | Walt Shaw | Parking Enforcement Officer Riggs | 1 | 1 |
| Gwendoline Yeo | Elise Kim | NCIS Special Agent Joanna Wright | 1 | 1 |
| Hank Harris | Chad Hockney | Denny Johnson A.K.A Nerdy Man | 1 | 1 |
| Ion Overman | Candace Robinson | Jane Thomas | 1 | 1 |
| Jamie Harris | Adam Ferguson | Smitty Hastings | 1 | 1 |
| Jason Kelley | Event Organizer | Marine Master Sergeant Ramsey Dillon | 1 | 1 |
| Jed Rees | Mr. Flynn | Mashir Malik | 1 | 1 |
| Jeff Austin | Mr. Rollins | Colonel Mike Granger | 1 | 1 |
| Jennifer Hall | Rebecca Strong | Daphne Everett | 1 | 1 |
| Jennifer Marsala | Natalie Mendoza | Jennifer Larson | 1 | 1 |
| Jeremy Ray Valdez | Todd | Alfonso Vega | 1 | 1 |
| Jesse D. Goins | Spencer's Lawyer | Jeffrey Wilson | 1 | 1 |
| Jim Holmes | Dr. Ian Fuller | Edgar Hayes | 1 | 1 |
| Joe Regalbuto | Dan O'Grady | Marine Colonel George Ellis | 1 | 1 |
| Joe Sabatino | Gus Kreiger | HRT Leader Horowitz | 1 | 2 |
| Joe Williamson | Charlie Green | Navy Seaman George Capetanos | 1 | 1 |
| John Kassir | Mr. Dreyfus | Perry Swann | 1 | 1 |
| Jon Lindstrom | Agent Connors | Perry Davidson | 1 | 1 |
| Justice Gamble | Actor Esposito, Bartender | King | 2 | 1 |
| Justin Prentice | Scott Powell | Navy Ensign Michael Fox | 1 | 1 |
| Kate Cobb | Gwen Parker | Reagan Reilly | 1 | 1 |
| Katherine Von Till | Janice Elden | Pamela Juventas | 1 | 1 |
| Katie Lowes | Rachel Maddox | Bryn Landers | 1 | 1 |
| Keith Diamond | Jared Swanstrom | Sgt. Gregory Nutt | 1 | 1 |
| Ken Lerner | NYPD Attorney | Albert Hencheck | 1 | 1 |
| Larry Sullivan | Samuel Lynchberg | Flight Surgeon | 1 | 1 |
| Lilli Birdsell | Samantha Williger | Jill Reynolds | 1 | 1 |
| Lori Alan | Ms. Papen | Warden Diana Tully | 1 | 1 |
| Mackenzie Astin | Phillip Bartlett | Michael Rose | 1 | 1 |
| Mark Espinoza | Professor Stevenson | Sheriff Lester | 1 | 1 |
| Mark Harelik | Pete Benton | Ron Levinson | 1 | 1 |
| Matt Bushell | Leeman Jones | Marine Lt. Rob King | 1 | 1 |
| Matt Winston | Evan Hinkle | Rick Carvell | 1 | 1 |
| Matthew Alan | Jason Bagwell | Navy Lieutenant Paul Booth | 1 | 1 |
| Matthew Holmes | Chase Diggins | Griffin Dorn | 1 | 1 |
| Nathan Anderson | Brent Reeves | Luke Walters | 1 | 1 |
| Nicole J. Butler | Cassandra | Coordinator | 1 | 1 |
| P.J. Byrne | Tony | Ross Logan | 1 | 1 |
| Pamela Dunlap | Rose | Mom | 1 | 1 |
| Paul Schackman | Barry | Sullivan Brady | 1 | 1 |
| Paul Terrell Clayton | Dax Lattimer | Navy Commander Carl Davis | 1 | 1 |
| Paul Zies | Frankie | Big Bark | 1 | 1 |
| Peggy Dunne | Mrs. Heller | Doris Tolchuck | 1 | 1 |
| Peter Asle Holden | Ken Castor | Vector Control Worker | 1 | 1 |
| Phil Abrams | Roger | Hotel Manager | 1 | 1 |
| Piter Marek | Jamal Alhabi | Vijay Chaya | 2 | 1 |
| Rachel Boston | Penny Marchand | Siri Albert | 1 | 1 |
| Randy Oglesby | Pastor Bob | Army Brigadier General Scott Oliver | 1 | 1 |
| Ray Abruzzo | Frank Russo | Rick Azari | 1 | 1 |
| Rob Nagle | Kirby Smith | Wayne Usher | 1 | 1 |
| Roman Arabia | Diego Lopez | Volunteer | 1 | 1 |
| Ryan Sands | Sgt. Taggert | Captain | 1 | 1 |
| Sam Daly | Jack Hastings | Virginia State Police Officer Dale Moseby | 1 | 1 |
| Sandra Thigpen | Mrs. Kirby | Nurse Annie Hayes | 1 | 1 |
| Sasha Roiz | Bobby Stark | NCIS Agent Rick Hall | 1 | 1 |
| Scott Anthony Leet | Jack | Jason Edom | 1 | 1 |
| Scott Lowell | David Hernand | Terry Thomas | 1 | 1 |
| Shannon Lucio | Rebecca Fog | Amy Harrison | 1 | 1 |
| Stacy Edwards | Jessica Banks | Commander Janice Byers | 1 | 1 |
| Stephen Full | Benny | Mister Lewis | 1 | 1 |
| Steven Eckholdt | Michael Case | Navy Cmdr. Dr. Brad Pitt | 1 | 1 |
| Teddy Lane, Jr. | Taylor | Deputy Barney | 1 | 1 |
| Thomas Calabro | Scott Donner | Len Feeney | 1 | 1 |
| Trent Dawson | Robert James | Mike Beers, Norman Dopps | 1 | 1 |
| Troy Winbush | Marcus Ford | Former Marine 1st Lieutenant Sam Keeler | 1 | 1 |
| Vanessa Bell Calloway | Beryl Wickfield | Sally Hammond | 1 | 1 |
| Wendy Braun | Carol Jarvis | Cindy Sanchez | 1 | 1 |
| Robert Cicchini | Mr. Turino | Agent Daniel Snyder | 1 | 2 |
| Albie Selznick | Dr. Paul Devlin | Marty Allen | 1 | 1 |
| Ali Hillis | Megan Brooks | Antonia Morello | 1 | 1 |
| Andrea C. Robinson | Jeanette Miller | Midge Watkins | 1 | 1 |
| Andrea Grano | Mrs. Stan Banks | Navy Commander Eleadora Rey | 1 | 1 |
| Andy Umberger | Johnny Rosen | FBI Agent Freedman | 1 | 1 |
| Anna Campbell | Maddie | Army First Lieutenant DFAS Andrea Falco | 1 | 1 |
| Arlene Santana | Jasmine | Navy Chief of the Boat Constance Shaw | 1 | 1 |
| Austin Highsmith Garces | Camille Roberts | Darlene Jones | 1 | 1 |
| Beau Billingslea | Dr. Walter Parish | Denny "Pop" Rydell | 1 | 1 |
| Blake Shields | Eric Logan | Potential Recruit | 1 | 1 |
| Brett DelBuono | Louis Prince | Navy Seaman Apprentice Brian Dokes | 1 | 1 |
| Brett Rickaby | Robert McManus | Steve Diamond | 1 | 1 |
| Brett Wagner | Jack Spurloch | Grizzled Driver | 1 | 1 |
| Cameron Deane Stewart | Dean Bedford | Ben Koss | 1 | 1 |
| Carolyn Ratteray | Waitress | Nurse | 1 | 1 |
| Christie Lynn Smith | Melanie Kopek | Cara Barnsway | 1 | 1 |
| Christopher Goodman | man #1 | NCIS Special Agent Michael West | 1 | 1 |
| Corey Mendell Parker | Reggie Dyson | Metro Police Officer Bilik | 1 | 1 |
| Darri Ingolfsson | Austin Elektra | Dwight Colton | 1 | 1 |
| Delon de Metz | Dave Chambers | Petty Officer Thomas Billings | 1 | 1 |
| Don McManus | Archie "The Savannah Hammer" Bronstein | Mark Stafford | 1 | 1 |
| Drew Rausch | Officer Ted Lane | Brandon Singer | 1 | 1 |
| Emil Beheshti | Dean Seahorn | FBI Agent Dan Lenroff | 1 | 1 |
| Eric Jungmann | Bram Stoker | Andy Pringle | 1 | 1 |
| Frank Gallegos | Keith Lopez | Pete | 1 | 1 |
| Gerald Downey | Lloyd Kurtzman | Navy Cmdr. Ray Trapp | 1 | 1 |
| Gina Hecht | Marie Russo | Christine Newhall | 1 | 1 |
| Glenn Taranto | Douglas Lawson | Eddie Kowolski | 1 | 1 |
| Guy Wilson | Jeffrey McGuigan | Paul Simmons | 1 | 1 |
| Isaiah Mustafa | Team Leader | Oliver Newcomb | 1 | 1 |
| Jaleel White | Mickey Franks | Martin Thomas | 1 | 1 |
| James Huang | Edward Han | Petty Officer Wong | 1 | 1 |
| Jamie Martz | Male EMT | Petty Officer First Class Marc Hobie | 1 | 1 |
| Jeff Denton | Evan Bauer | Marine C.O. Captain Jonah Ellis | 1 | 1 |
| Jeff Galfer | Henry Barnett | CIA Case Officer Victor Hodge | 1 | 1 |
| Jeremy Glazer | Nick Keller | Douglas Pritchard | 1 | 1 |
| Jim Abele | Adam Greene | Army Colonel Holt Driscoll | 1 | 1 |
| Joe Guzaldo | Luca Sabalini | Pete Iger | 1 | 1 |
| Joe Martin Thomas | Bodyguard | Navy Petty Officer Third Class Dion Kelso | 1 | 1 |
| Josh Daugherty | Trent Wellesley | Devon Kane | 1 | 1 |
| Joshua LeBar | Jason Bollinger | Adam Cooper | 1 | 1 |
| Juan Carlos Cantu | Luis Delgado | Leo Silva | 1 | 1 |
| June Carryl | Therapist | Julia Marino | 1 | 1 |
| Kai Lennox | Simon | Adam Parker | 1 | 1 |
| Kasey Mahaffy | Lance Newman | Doctor Patton Hartgrave | 1 | 1 |
| Kerrie Keane | Julie Davidson | Maggie Reed | 1 | 1 |
| Kevin Symons | Mike Matthews | Federal Air Marshal Art Neely | 1 | 1 |
| Lanny Joon | Philip Lee | Edward Jintao | 1 | 1 |
| Larry Clarke | Tony Muller | Director | 1 | 1 |
| Manuel Uriza | Alonzo Sanchez | Nicolas Rebollo | 1 | 1 |
| Matt Champagne | Andy Berman | Doctor | 1 | 1 |
| Matt McTighe | Chuck Ryker | Allan Hayes | 1 | 1 |
| Matthew Marsden | Clint Granger | Navy Lt. Roy Sanders | 1 | 1 |
| Mo Gallini | Rocco Carlucci | Andre Jones | 1 | 1 |
| Ned Vaughn | Brett Zaretsky | Navy Capt. Dean Pullman | 1 | 1 |
| Ray Stoney | Otis Williams | Ben Golden | 1 | 1 |
| Richard Whiten | D.O.C. Officer | Police Lt. Jody Hampton | 1 | 1 |
| Rick Ravanello | Steve Adams | David Harris | 1 | 1 |
| Rick Worthy | Jason Penn | Navy Captain Logan Doyle | 1 | 1 |
| Robb Derringer | Jeffery Wadlow | Jon Phelps | 1 | 1 |
| Robert Arbogast | Morlock | FBI Special Agent Wentworth | 1 | 1 |
| Robert Curtis Brown | Ian Busch | Gary Tolin | 1 | 1 |
| Robin Sachs | Announcer | MI5 Inspector Andrew Challis | 1 | 1 |
| Robin Thomas | Alan Freeman | Dr. Neil Fleming | 1 | 1 |
| Samantha Quan | Kathleen Park | Amy Linden | 1 | 1 |
| Scott Michael Morgan | Sam Mackey | Virginia State Trooper Keyes | 1 | 1 |
| Sean McGowan | James Lockhart | Lieutenant Wallace | 1 | 1 |
| Seth Coltan | Maintenance Worker | Deputy Allen Smedley | 1 | 1 |
| Steven Brand | Trevor Haines | Ian Hitch | 1 | 1 |
| Terrell Tilford | Hawthorne Carter | Navy Captain Jack Painter | 1 | 1 |
| Tom Schanley | William Carraway | Navy Lieutenant Dean Massey | 1 | 1 |
| Travis Wester | Paul Travers | Metro P.D. Detective Miles Higgins | 1 | 1 |
| Vanessa Martinez | Lara Blanco | Marta De Leon | 1 | 1 |
| Wendy Davis | NYFD Lt. Delia Burton | Navy Captain Kensington Bloom | 1 | 1 |
| Will Beinbrink | Steven Fletcher | Oliver Lambert | 1 | 1 |
| Yolanda Snowball | Rebecca Doolin | Meeting Secretary | 1 | 1 |
| Brian Avers | Harrison Tisdale | Special Agent Mike Renko | 1 | 2 |
| Charles Remley III | ESU Leader | Homeland Security Agent #3, Navy Chief #1 | 1 | 2 |
| Jerry Kernion | Albert Bolland | Pastor Alan, Scott Rowe | 1 | 2 |
| John Brantley Cole, Jr. | NYPD Uniform, Officer Clayton Lee | Orderly | 2 | 1 |
| Aaron D. Spears | Ike Thornton | Marine Major Michael Strickland | 1 | 1 |
| Amaris Davidson | Jen | Olivia | 1 | 1 |
| Andrew Borba | Mr. Mudge | Doctor Phillip Heller | 1 | 1 |
| Assaf Cohen | Dr. Rusham Haroun | Eli Lissack | 1 | 1 |
| Brad Benedict | Zach Benton | Navy Lieutenant Nick Rossmore | 1 | 1 |
| Brady Smith | Greg Murphy | David Cross | 1 | 1 |
| Brian Elerding | Armando Montoya | Phillip Kurjak | 1 | 1 |
| Brian Michael Jones | Ty Page | NCIS Probationary Agent Terry Mahler | 1 | 1 |
| Brian Oblak | Head of Security | MPD Cop #1 | 1 | 1 |
| Channon Roe | Kevin Henson | Sergeant Gordon Lambro | 1 | 1 |
| Chris Bruno | Randall Bedford | Navy Captain James "Sandman" Powell | 1 | 1 |
| Christopher Carrington | Man | Navy Seaman Ronald "Ronny" T. Jones | 1 | 1 |
| Crystal Coney | Judy Doyle | MPD Officer Clara Woods | 1 | 1 |
| Dan Warner | House Security Detail | Federal Marshal | 1 | 1 |
| Daniel Hugh Kelly | Evan Potter | Admiral Kendall | 1 | 1 |
| David Dean Bottrell | Byron H. Singer | Assistant Director of Operations Donald Linder | 1 | 1 |
| David Paluck | FBI Agent Michael Glassman | Dir. Glenn Webb | 1 | 1 |
| Doug Simpson | Henry Browning | Roger Dietz | 1 | 1 |
| Eric Tiede | Mike Hoover | Neil | 1 | 1 |
| Erick Lopez | Marcus Segundo | Jaime Ribeiro | 1 | 1 |
| Fareed Ward | Bartender | JSOC Navy Lieutenant Eric Kagen | 1 | 1 |
| J. Teddy Garces | Firefighter | Omar Lewis | 1 | 1 |
| J.D. Walsh | John Emerson | Leonard Finnik | 1 | 1 |
| Jade Carter | Agent Jack Corrigan | Marine Capt. Daniel Wise | 1 | 1 |
| Jason Brooks | Ian Harris | Marine Major Danny O'Donnell | 1 | 1 |
| Jerry O'Donnell | Milton Cicero | Navy Lt. Cmdr. Scott Williams | 1 | 1 |
| Jesse Head | Zack Metzger | Lyle Chamber | 1 | 1 |
| Jim Meskimen | Randolph Addison | Doctor Farrel Emerson | 1 | 1 |
| Joe O'Connor | Cal Townsend | Pat Gillespie | 1 | 1 |
| Joel Polis | John Raglan | Ronald Ostrowski | 1 | 1 |
| John Bobek | Davis Hawthorne | Sergeant Barnes | 1 | 1 |
| John Littlefield | Joel Pratt | Stovic's Aide | 1 | 1 |
| John M. Jackson | Rod Halstead | Rear Admiral A.J. Chegwidden | 1 | 1 |
| Julia Cho | Gwen | Ginger Uwanawich | 1 | 1 |
| Julia Whelan | Tina Massey | Greta Fensternacht | 1 | 1 |
| Karissa Vacker | Emily Reed | Louisa Banner | 1 | 1 |
| Karl T. Wright | Dr. Chuck Vaughn | John Hicks | 1 | 1 |
| Kate Rene Gleason | Officer | Jane | 1 | 1 |
| Kevin Joy | Graham Fletcher | Kyle Nasry | 1 | 1 |
| Kevin Will | Grant Gerber | Will Sutton | 1 | 1 |
| Kim Johnston Ulrich | Lenanne Dagmar | Nancy Hargrove | 1 | 1 |
| Konstantin Lavysh | Mikhail Dankov | Yuri | 1 | 1 |
| Lachlan Buchanan | Stone Gower | Navy Petty Officer Second Class James Muldoon | 1 | 1 |
| Lenny Schmidt | Jerome Aspenall | Eddie Banasek | 1 | 1 |
| Mandy June Turpin | Lee Travis' Sister | Karen Bright | 1 | 1 |
| Michael Benyaer | Oscar | Osman Zoranj | 1 | 1 |
| Michael Edward Rose | Agent Johnson | Marine Major Gordon Holcomb, Walter Richter | 1 | 2 |
| Michael Edwin | Night Desk Clerk | TSA Officer Perkins | 1 | 1 |
| Nick Jaine | Forensic IT Guy | Jason Patel | 1 | 1 |
| Nina Rausch | Receptionist | Devon Hill | 1 | 1 |
| Omar J. Dorsey | Biggie Slim | Vernon Dale | 1 | 1 |
| Paul Cassell | Marcus Conway | Bart Crowley | 1 | 1 |
| Ramón de Ocampo | Owen Peterson | Navy Lieutenant Thomas Gorman | 1 | 1 |
| Rob Brownstein | Captain Ziering | Wayne Gordon | 1 | 1 |
| Robert Craighead | Arthur Felder | DEA Agent Simon Lewis | 1 | 1 |
| Roshawn Franklin | Derek 'Lightning' Bolt | Crew Chief Rogers | 1 | 1 |
| Scott Connors | Agent Winfield | Marine Sergeant Mitch Wilkins | 1 | 1 |
| Shashawnee Hall | Calvin Hodges | Police Chief Walen | 1 | 1 |
| Sterling K. Brown | Ed Redley | Elijah Banner | 1 | 1 |
| Susan Ruttan | Eleanor Pike | Samantha "Sammy" Delfino | 1 | 1 |
| Tom Billett | Sergio | Viggo Trellis | 1 | 1 |
| Tom Wright | Fats Shepherd | Warden Sam Kelleher | 1 | 1 |
| Walter Perez | Bobby Lopez | Army First Lieutenant Michael Waters | 1 | 1 |
| Tim Barraco | Delivery Guy | Coal Miner, Service Technician | 1 | 2 |
| Aaron Norvell | Officer | Uniformed Cop #1 | 1 | 1 |
| Andy Wagner | Lucas Shaw | Metro P.D. Officer Cody | 1 | 1 |
| Ann Hu | Audio Tech | Heather White | 1 | 1 |
| Aubrey Deeker | Lorenzo | Former Navy Commander Brian Mitchell | 1 | 1 |
| Benjamin John Parrillo | Coast Guard Lt. Mundy | Rex Eberlee | 1 | 1 |
| Bernardo de Paula | Franco Marquez | Alfredo Montez | 1 | 1 |
| Brad Lee Wind | Franco Mancini | Metro P.D. Sergeant John Dunn | 1 | 1 |
| Bradford Anderson | Dwight Carruthers | Second Geek | 1 | 1 |
| Branton Box | Volkov's Man | John Smith | 1 | 1 |
| Brian Maillard | Joel Mitas | Leo Finch | 1 | 1 |
| Brian Norris | Chad Rodrick | Lucas | 1 | 1 |
| Bryan Friday | Thug #2 | Navy Captain Felix Wright | 1 | 1 |
| Carlos Sanz | Manuel Calderon | Gonzales | 1 | 1 |
| Carole Gutierrez | Dr. Deb Lander | Woman | 1 | 1 |
| Craig Gellis | Earl Moreland | Civilian Crewman #1 | 1 | 1 |
| Daryl C. Brown | Jim Boyee | Navy Commander Lovinder Prasad | 1 | 1 |
| David Barrera | Principal Joe Silva | Charlie Milla | 1 | 1 |
| Dawnmarie Ferrara | Female Uniform | Trucker #1 | 1 | 1 |
| Debbie Campbell | Diana Edwards | Mary Elizabeth Donahue | 1 | 1 |
| Dustin Ingram | Chad | Ozzie Duncan | 1 | 1 |
| Franco Barberis | Francisco Herrara | Marine Gunnery Sergeant Matt Lecroix | 1 | 1 |
| Fred Cross | Dr. Haver | Roland Pulvino | 1 | 1 |
| Glenn Keogh | Tommy | Thompson Daly A.K.A. Masked Man #1 | 1 | 1 |
| Greg Bryan | Alistair Durcoyne | Donald Burke | 1 | 1 |
| Hrach Titizian | Omar Dixon | Tariq Abassi | 1 | 1 |
| James Ferris | Tyler Faris | Navy Lieutenant Commander Gregory Pullman | 1 | 1 |
| Jamie Hill | Petra Vasker | Chloe Chandler | 1 | 1 |
| Jarrod Crawford | Field Tech | Marine M.P. Sgt. Brooks | 1 | 1 |
| John Eric Bentley | James Kavanaugh | Captain Arthur Caldwell | 1 | 1 |
| Jonathan Runyon | DHS Technician | Marine PFC Oscar Cunningham | 1 | 1 |
| Joseph Reegan | Shawn York | Marcus | 1 | 1 |
| Judyann Elder | Melinda Parish | Marny Mathers | 1 | 1 |
| Kendall Clement | Judge | Foreman | 1 | 1 |
| Liz Benoit | Assistant | Scholarly Woman #2 | 1 | 1 |
| Mark Adair-Rios | Mario "Trucho" Mendoza | Iggy Mejia | 1 | 1 |
| Mary-Margaret Lewis | Elaine Nelson | Maude Simmons | 1 | 1 |
| Matthew Brenher | Bryson | Mattias Groller | 1 | 1 |
| Max E. Williams | Ilya Golovkin | Louis Shekian | 1 | 1 |
| Mercedes Colon | Philip Lee's Attorney | Gina | 1 | 1 |
| Michael Dempsey | Frank Malloy | Coach Morgan | 1 | 1 |
| Nick Jandl | Trey Harmon | Michael "Mike" Kettering | 1 | 1 |
| Nika King | Angel Santana | Sapphire | 1 | 1 |
| Rainey Spurlock | Lily | Harper | 1 | 1 |
| Ray Laska | Dan Tonelli | Defense Minister Andor Gorgova | 1 | 1 |
| Regi Davis | Dr. Bailey | Commander David Smith | 1 | 1 |
| Roberto Sanchez | Jiggy Michaels | Jose | 1 | 1 |
| Sarah Butler | Whitney Williams | Nicole | 1 | 1 |
| Scott Klace | Wallace Williger | Dr. Timothy Hass | 1 | 1 |
| Stephanie Escajeda | Tourist | Natalia | 1 | 1 |
| Stephen Oyoung | Guard | Navy Captain Andrew Hubbard | 1 | 1 |
| Steven M. Gagnon | Colonel Fortis | CIA Director Roger Kirkwood | 1 | 1 |
| Bo Kane | Chuck Harrison | North Carolina State Trooper William Forman | 1 | 1 |
| Cara Pifko | Roberta Cambridge | Kelsey Donner | 1 | 1 |
| Carter Mitchell | Homeless Man | Virgil | 1 | 1 |
| Christopher Murray | Mr. Geoffrey Northcliff | Joseph Mallard | 1 | 1 |
| Clint Carmichael | Brad Washington | Young Jackson Gibbs | 1 | 1 |
| D.C. Douglas | Bill Moss | Tom Speakman | 1 | 1 |
| Darren Dupree Washington | Security Aide | Security Guard | 1 | 1 |
| Dave Shalansky | Tech #1 | Delivery Man | 1 | 1 |
| David L. King | News Producer | Zullow Senior Vice President Lance Rama | 1 | 1 |
| Eugene Shaw | Joe | Marine Master Sergeant Neil Koh | 1 | 1 |
| Geno Monteiro | Tyrese Wilton | Sergeant Seth Welch | 1 | 1 |
| Grace Rowe | Reporter #1 | NCIS Special Agent Donna Andrews | 1 | 1 |
| Jeff Elam | Bailiff | Lead Detective | 1 | 1 |
| Jeff Harlan | Frank Davis | Reverend Miller | 1 | 1 |
| Jon Curry | Stan Kopek | Deputy Tyler Barrett | 1 | 1 |
| Jonathan Roumie | Serge Belmonde | Officer Gerard | 1 | 1 |
| Juan Alfonso | Delivery Man | Ramon Moncada | 1 | 1 |
| Matt Riedy | Attorney | Navy Rear Adm. Kenneth Kirkland | 1 | 1 |
| Michael Buonomo | Cory Harrison | Coast Guard Petty Officer Third Class Dennis Latrobe | 1 | 1 |
| Michelle Anne Johnson | Officer Greta Bailey | DOD Counterintelligence Supervisor Emma Fisher | 1 | 1 |
| Minni Jo Mazzola | Bethany | Jessie Cantrell | 1 | 1 |
| Morgan Peter Brown | Ted Archer | Paul Morton / The Poet | 1 | 1 |
| Nicola Lambo | State Court Officer | CGIS Special Agent Amanda Graham | 1 | 1 |
| Noree Victoria | Secretary | Female Guest | 1 | 1 |
| Pamela Shaddock | Marcella | Nurse | 1 | 1 |
| Patrick Robert Smith | Marty Bentley | Tim Gerber | 1 | 1 |
| Penny Peyser | Mrs. Albrook | Judge Susan Delphy | 1 | 1 |
| Presciliana Esparolini | Teresa De La Torre | Virginia State Trooper Johnson | 1 | 1 |
| Ransford Doherty | Donald Mannis | Navy Seal Petty Officer Second Class Zachary Harper | 1 | 1 |
| René Ashton | Amelia Weiss | Justine Wolfe | 1 | 1 |
| Richard Gleason | Wesley Slade | Navy Reservist Dr. Robert Banks | 1 | 1 |
| Ron Melendez | Jeff Dilahunt | Navy Lieutenant Gregory Dennis | 1 | 1 |
| Tim Ryan | Mark Kimball | Greg Boyen | 1 | 1 |
| Ty Upshaw | Dr. Huxtable | Security Guard | 1 | 1 |
| Wilmer Calderon | Marvin "Oz" Osminkowski | Wayne Cribbage A.K.A. Tiger Dad | 1 | 1 |
| Aleksandra Kaniak | Mrs. Vetotchkin | Russian Nurse | 1 | 1 |
| Alicia Ziegler | Tiffany | Marine Corporal Jameson | 1 | 1 |
| Brian Fitzpatrick | Doorman | Willis Hirst | 1 | 1 |
| Byrne Offutt | Manager | Judd Kearns | 1 | 1 |
| Chase Kim | FBI Specialist | SRT Sniper | 1 | 1 |
| Christopher McDaniel | Bryce | Petty Officer Greg Collins | 1 | 1 |
| Danielle Rayne | News Anchor | Marine Colonel Leah Siffler | 1 | 1 |
| Dayo Ade | Anton Wade | ER Orderly | 1 | 1 |
| Hector Hugo | Dr. Neville | Navy Commander Fred Lewis | 1 | 1 |
| Helena Barrett | Lara Madden | Attractive Recruit | 1 | 1 |
| Jess Allen | Garrett Ward | Burly Bodyguard | 1 | 1 |
| Jesse Luken | Carter Wexland | Corpsman | 1 | 1 |
| John R. Colley | Paul Deschile | Christopher Ramos | 1 | 1 |
| Joshua Dov | Dale Landers | Portland Douglas | 1 | 1 |
| Kyla-Drew Simmons | Sophie | Greta Staley | 1 | 1 |
| Landon Ashworth | Mitch Yancey | Glen Collins | 1 | 1 |
| Lou George | Charlie Blunt | Manager | 1 | 1 |
| Mario Ardila Jr. | Gilbert Mendoza | Shayne Garcon | 1 | 1 |
| Matt Kaminsky | Evan Howard | Henry Spivey | 1 | 1 |
| Maura Soden | Mrs. Faris | Former NCIS Special Agent Melora Koss | 1 | 1 |
| Nondumiso Tembe | Aida N'Diaye | Navy Petty Officer First Class Josie Sparks | 1 | 1 |
| Scott Subiono | Johnny Goodheart | Louis Lancaster | 1 | 1 |
| Susan Spano | Kitty | Marie Markin | 1 | 1 |
| Will Deutsch | Nerdy Guy | Smaller Guy | 1 | 1 |
| Andrew Hwang | Takata | Nervous Asian Man | 1 | 1 |
| Crystal Allen | Ms. Pauline DeGarmo | Laura | 1 | 1 |
| Jack Guzman | Frankie Saldana | Wade | 1 | 1 |
| John Gloria | Bartender | George Kaydar | 1 | 1 |
| Josh Latzer | Gary Duffin | Olek Lazarenko A.K.A. Man | 1 | 1 |
| Reatha Grey | Geneva | Marion | 1 | 1 |
| Selina Kaye | Lauren Adams | Phyllis | 1 | 1 |
| Valeria Maldonado | Agnes Molina | Rachel | 1 | 1 |
| Alison Trumbull | Val Butler | Karen | 1 | 1 |
| Brad Grunberg | Gary | Big Ed | 1 | 1 |
| George Gerdes | Michael Yanavich | Field Marshall Nigel Rand | 1 | 1 |
| Keenan Henson | Rob | Henry Coldwell | 1 | 1 |
| Luke White | NYPD Cop | EMT | 1 | 1 |
| Amanda Jaros | Junkie | Peg | 1 | 1 |
| Tatum Shank | Officer Billups | Ted | 1 | 1 |
| Tyrees Allen | Harvey Milton | NSO Deputy Director Dean Welsh | 1 | 1 |
| Amir Talai | Sam Spear | Simi | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.