All 699 actors in both Grey's Anatomy and NCIS
699 actors have appeared in both Grey's Anatomy and NCIS, across 975 episodes. The most-credited is Jake Borelli, Dr. Levi Schmitt in Grey's Anatomy and Dean Campbell in NCIS.
| Actor | In Grey's Anatomy | In NCIS | Eps | Eps |
|---|---|---|---|---|
| Jake Borelli | Dr. Levi Schmitt | Dean Campbell | 38 | 1 |
| Steven W. Bailey | Joe | Dexter Murphy | 30 | 1 |
| Maurice Irvin | Nurse Tyler Christian | Navy Commander Daly | 29 | 1 |
| Greg Germann | Dr. Tom Koracick | NCIS Deputy Director Jerome Craig | 26 | 3 |
| Gaius Charles | Dr. Shane Ross | Baltimore Detective Jason King | 22 | 1 |
| Margo Harshman | Jennifer Morris | Delilah Fielding | 1 | 21 |
| Samantha Sloyan | Dr. Penelope Blake | Emily Goodwin | 19 | 1 |
| Sarah Utterback | Nurse Olivia Harper | Elaina Marcus | 19 | 1 |
| Scottie Thompson | Dr. Renee Collier | Jeanne Benoit | 1 | 18 |
| Grace Rowe | Paramedic Grace | NCIS Special Agent Donna Andrews | 17 | 1 |
| Justin Bruening | Matthew Taylor | Lieutenant Bryce Prescott | 17 | 1 |
| Joe Adler | Dr. Isaac Cross | Matthew Gray | 15 | 1 |
| Robin Pearson Rose | Patricia Murphy | Lorrain Thorson | 14 | 1 |
| Alex Blue Davis | Dr. Casey Parker | Vernon Palumbo | 28 | 1 |
| Laura San Giacomo | Marjorie Kersey | Doctor Grace Confalone | 1 | 13 |
| Chris O'Donnell | Finn Dandridge | Special Agent "G" Callen | 10 | 3 |
| Lauren Stamile | Nurse Rose | Metro P.D. Detective Michelle Lane | 12 | 1 |
| Liza Lapira | Noel Lavatte | NCIS Special Agent Michelle Lee | 1 | 12 |
| Chris Carmack | Dr. Atticus "Link" Lincoln | Kevin Nelson | 20 | 1 |
| Ralph Waite | Irving Waller | Jackson Gibbs | 1 | 7 |
| Sarah Jane Morris | Emily Vaughn | NCIS Special Agent E.J. Barrett | 1 | 7 |
| Joe Williamson | Dr. Pierce Halley | Navy Seaman George Capetanos | 22 | 1 |
| Robert Baker | Dr. Charles Percy | Seaman | 14 | 1 |
| Jessica Steen | Dr. Rebecca Froy | Special Agent Paula Cassidy | 1 | 6 |
| Amanda Fuller | Morgan Peterson | Jennifer Shields | 5 | 1 |
| Elayn J. Taylor | Loretta | Odette Malone | 1 | 5 |
| Roma Maffia | Roberta Thompson | NCIS Special Agent Vera Strickland | 4 | 2 |
| Mitch Pileggi | Larry Jennings | U.S. Secretary of Defense Wynn Crawford | 9 | 2 |
| Winston Story | Dr. Leo Byrider | Manny | 20 | 1 |
| Amrapali Ambegaokar | Dr. Dani Mandvi | July Wunderman | 19 | 1 |
| Brigid Brannagh | Veronica Kays | Senator Constance Miller, Catherine Reynolds | 2 | 3 |
| Jack Axelrod | Really Old Man, Charlie Yod | Shmeil Pinkhas | 3 | 2 |
| Paula Newsome | Mrs. Sturgeon | Jackie Vance | 1 | 4 |
| T.J. Thyne | Aaron Morris | Fletcher Voss, Carl | 2 | 3 |
| Juliette Angelo | Danielle | Emily Fornell | 1 | 8 |
| Anita Kalathara | Dr. Kavita Mohanty | High School Kid #1 | 7 | 1 |
| Carlease Burke | Mrs. Gates | D'Arcy McKinna | 1 | 3 |
| Jack Conley | Jasper Hovey | Metro Detective Danny Sportelli | 1 | 3 |
| Megan Gallagher | Mrs. Oldroyd | Under Secretary of the Navy Jennifer Leo | 1 | 3 |
| Nancy Travis | Allison Baker | Navy Vice Admiral Harriet Parker | 1 | 3 |
| Rocky Carroll | James | Director Leon Vance | 1 | 3 |
| Taye Diggs | Dr. Sam Bennett | Marine Gunnery Sergeant Aaron Davis | 3 | 1 |
| Victoria Kelleher | James's Mother | NCIS Accountant Barbara Dunsley | 1 | 3 |
| John O'Brien | Lab Tech Jeffrey | Bruce | 13 | 1 |
| Michael O'Neill | Gary Clark | Former NCIS Special Agent Riley McCallister | 4 | 3 |
| Anne-Marie Johnson | Judge Madeline Kane | Marine Col. Stacey Radcliffe, Senator Selena Grayson | 1 | 2 |
| Holley Fain | Dr. Julia Canner | Audrey Daly | 5 | 1 |
| Jacqueline Obradors | Valeria Cardenas | Paloma Reynosa | 3 | 3 |
| Jason Antoon | Mr. Samuels | Cyber Intelligence Specialist Ernie Malik | 1 | 2 |
| Jonathan Adams | Dewayne Griffith | Thomas Zuri | 2 | 1 |
| K Callan | Janis | Bertha Jones-Delacroix, Grace Mullen | 1 | 2 |
| Linara Washington | Gretchen McKay | Lara Morgan | 1 | 2 |
| Marshall Allman | Jeremy West | Donnie James Bailey | 2 | 1 |
| Raphael Sbarge | Paul | Rupert Kritzer | 2 | 1 |
| Robert Pine | Vincent | Congressman Theodore Randolph, Golfer Ben | 1 | 2 |
| Sam McMurray | Gus Moser | Harold Lamb, John Westfal | 1 | 2 |
| Sumalee Montano | Lena McCallister | NCIS Special Agent Nicole Taggart | 1 | 2 |
| Tim Griffin | Ronny O'Malley | Marine Sgt. Malcolm Porter | 5 | 1 |
| Sylvia Kwan | Dr. Mabel Tseng | Gwen Eisley | 22 | 1 |
| Shi Ne Nielson | Paramedic | FBI Special Agent Daisy Milner | 7 | 1 |
| Marla Gibbs | Joyce Ward | Rosie Brown | 4 | 1 |
| Monica Lawson | Officer Tatum | Nurse #1, Nurse 1 | 1 | 4 |
| Steven Culp | Dr. Parker | Navy Cmdr. William Skinner | 4 | 1 |
| Mark Adair-Rios | David Morris | Iggy Mejia | 6 | 1 |
| Patricia Bethune | Nurse Ginger | Paulette Quinn | 6 | 1 |
| Arlene Santana | Nurse | Navy Chief of the Boat Constance Shaw | 10 | 1 |
| Abbie Cobb | Francis "Frankie" Keller | Melanie Keller | 1 | 1 |
| Alexis Carra | The Other Woman | Kelly Connor | 1 | 1 |
| Amanda Leighton | Sarah Cassidy | Amanda Adams | 1 | 1 |
| Amy Gumenick | Becca Wells | Katrina Cooper | 1 | 1 |
| Angela Lin | Barbara Yu | Assistant District Attorney Sheila Addison | 1 | 1 |
| Billy Malone | Jon McNeil | NCIS Mechanic Dominic | 5 | 1 |
| Brian Letscher | Mr. Epley | Sam Bennett | 1 | 1 |
| Brooke Nevin | Tricia Hale | Rachael Sparks | 1 | 1 |
| Charles Carpenter | Party Guy #1 | Sheriff Marcus Mayes | 1 | 1 |
| Christian Clemenson | Ivan Fink | Perry Sterling | 1 | 1 |
| Crystal Allen | Heather | Laura | 1 | 1 |
| David DeLuise | Charlie Connor | Michael Franklin | 1 | 1 |
| Dee Wallace | Joan Waring | Claire Hall | 1 | 1 |
| Eddie Jemison | Stan Grossberg | Terry Spooner | 2 | 2 |
| Erin Way | Donna Woods | Dr. Samantha Linden | 1 | 1 |
| Ethan Rains | Jonathan Bright | Systems Administrator Kevin Hussein | 1 | 3 |
| George Newbern | Stan Mercer | Arthur Haskell | 1 | 1 |
| Jayne Brook | Gwen Graber | Lyndi Crawshaw | 1 | 1 |
| Jenny O'Hara | Mrs. Shelton | Alice Brodie | 1 | 1 |
| Jesse Plemons | Jake Burton | Jason Geckler | 1 | 1 |
| Kevin Alejandro | Dan Pruitt | Jaime Jones | 3 | 1 |
| Lance Henriksen | Griffin McColl | Sheriff Clay Boyd | 1 | 1 |
| Lisa Kaminir | Doris Friedman | Dr. Romero | 1 | 1 |
| Lise Simms | Karen | Kenna Reynolds | 1 | 1 |
| Mark Atteberry | Brian Williams | Medgar Nash | 1 | 1 |
| Mark Berry | AA Member | Joe | 1 | 1 |
| Maya Stojan | Tatiana Flauto | Meredith Ragen | 1 | 1 |
| Michael Petrone | Carl Holcomb | Camping Guide Carl | 1 | 1 |
| Nikki DeLoach | Charlotte | Army Lieutenant Colonel Maya Leland | 1 | 1 |
| Pej Vahdat | Tarik Amin | Nigel Hakim, Balesh Sassnid | 1 | 3 |
| Rachel Ticotin | Dr. Marie Cerone | Joy Sullivan Aaronson | 3 | 1 |
| René Auberjonois | Neil Sheridan | Dr. Felix Blackwell | 1 | 1 |
| Robert Wisdom | Mr. Hamilton | Warden Gene Halsey | 1 | 1 |
| Samaire Armstrong | Claire Nolan | Melissa Goodman | 1 | 1 |
| Sarah Grace White | Whitney | Samantha Watkins | 1 | 1 |
| T.J. Ramini | Mr. Al-Hasan | Mossad Officer Malachi Ben-Gidon | 1 | 3 |
| William R. Moses | Steven | Edison Geary | 1 | 1 |
| Michael Buie | Paul Dawson | Hank Larson | 6 | 1 |
| Bess Armstrong | Maureen Lincoln | U.S. Senator Denise O’Hara | 4 | 1 |
| Lindsay Wagner | Helen Karev | Barbara Bishop | 4 | 1 |
| Wayne Lopez | Paramedic #2 | Prison Sergeant Desmond Walters | 4 | 1 |
| Andy Favreau | Jack Moss | CIA Officer Jim Hillcot, Navy Lieutenant Eric Kutzler | 1 | 2 |
| Anna Grace Barlow | Charlotte Marsh | Karen | 1 | 2 |
| Dean Norris | Vince | Vestman | 2 | 1 |
| Derek Webster | Paul Anderson | Major Joe Sacco, Marine Capt. Stengel | 1 | 2 |
| Elizabeth Bond | Kimmie Kepner | Karen Graham | 2 | 1 |
| Erin Allin O'Reilly | Jodi | Heidi Partridge | 1 | 2 |
| Geoffrey Arend | Thom | Tommy Manning | 1 | 2 |
| Gil McKinney | Chris | Crewman, Logan Donahue | 1 | 2 |
| Graham Hamilton | Abraham Treadwell | Gabriel Hicks | 1 | 2 |
| Hilary Ward | Dr. Thompson | Jessica Shaeffer | 1 | 2 |
| James Immekus | Andrew Langston | Daniel Silcott | 2 | 1 |
| Janina Gavankar | Intern Lisa | Angela Lopez | 2 | 1 |
| John Getz | Michael Breyers | Walter Kane | 2 | 1 |
| Johnny Rey Diaz | Noah Young | Victor Medina | 5 | 1 |
| Lauren Bowles | Alice Franklin | Mary Wiles, Nance Freeman | 1 | 2 |
| Mackenzie Astin | Danny Wilson | Michael Rose | 2 | 1 |
| Melinda Page Hamilton | Dr. Jennifer Stanley | Kathy Sheldon, Vanessa Tillman | 1 | 2 |
| Omid Abtahi | Aasif | Saleem Ulman | 1 | 2 |
| Patricia Richardson | Tessa Hobbes | Judy Price Fielding | 2 | 1 |
| Rick Peters | Sean Greene | Vincent Maple | 1 | 2 |
| Alimi Ballard | Brent | NCIS Special Agent Gayne Levin | 1 | 3 |
| Allan Louis | Ronald Lace | Navy Captain Dominick Wayne | 1 | 3 |
| Cleo King | Robin | Della Robinson | 3 | 1 |
| Dylan Bruno | Griffith Lewis | Jason Paul Dean | 2 | 2 |
| Joe Dinicol | Dr. Mitchell Spencer | Lucas Trask | 3 | 1 |
| Lindy Booth | Hadley | Amanda Barrow | 3 | 1 |
| Marina Sirtis | Sonya Amin | Orli Elbaz | 1 | 3 |
| Pat Healy | Tom Russell | Chaplain Charles Gage, Jonathan Hanlan | 2 | 2 |
| Phil Abrams | Dr. Jim Nelson | Hotel Manager | 3 | 1 |
| Susan Santiago | Blanca Rodriguez | Camila Charo | 1 | 3 |
| Troy Winbush | Darren Riley | Former Marine 1st Lieutenant Sam Keeler | 3 | 1 |
| Vinessa Antoine | Skye Williams | Sarah Willis | 3 | 1 |
| Jessica Gardner | Sarah Straughn | Olivia Kahn | 1 | 4 |
| Mac Brandt | Paramedic #3 | Jake Spoke | 4 | 1 |
| Abigail Breslin | Megan Culver | Sandy Watson | 1 | 1 |
| Ali Hillis | Lori Carter | Antonia Morello | 4 | 1 |
| Amanda Payton | Dr. Daphne Lopez | Misty Boxlarter | 1 | 1 |
| Amy Landecker | Morgan | Dr. Ellen Gracey | 1 | 1 |
| Anthony Hill | Dr. Winston Ndugu | Navy Petty Officer Third Class John Blaney "JB" Hicks | 1 | 1 |
| Ariel Felix | Anesthesiologist, C.T. Booth Tech, Intern #1 | Alon ATU | 7 | 1 |
| Bellamy Young | Kathy | ATF Agent Melinda Stone | 2 | 1 |
| Brian Howe | Robert Fischer | Sherriff Tom Barrett | 1 | 1 |
| Carl Lumbly | Kurt Walling | Navy Rear Admiral Beau Hindley | 1 | 1 |
| Charlene Amoia | Dr. Kate Lachman | Denise Mancuso | 1 | 1 |
| Dave Shalansky | Jeremy | Delivery Man | 2 | 1 |
| Daya Vaidya | Paola Bright | Summer Diamond | 1 | 1 |
| Deanna Russo | Nola Marques | Ashley | 2 | 1 |
| Deborah Strang | Ellie Ratigan | Diane Warner | 1 | 1 |
| Délé Ogundiran | Nurse Terri Akumbu | Shelby Roberts | 1 | 1 |
| Devika Parikh | Nancy Klein | Doctor Saanvi Singh | 3 | 1 |
| Edwin Hodge | Greg Stanton | Bodie | 1 | 1 |
| Eric Lange | Steven Tanner | William Lafferty | 1 | 1 |
| Erinn Hayes | Cathy Becker | Wendy Hill | 1 | 1 |
| Eve Gordon | Mary Chapman | Amanda McCormick | 1 | 1 |
| Grace Narducci | Gina | Nicole | 1 | 1 |
| Granville Ames | Eric Lincoln | Hank | 3 | 1 |
| Hal Holbrook | Dr. Lewis Clatch | Mickey Stokes | 1 | 1 |
| Jackie Tohn | Lindsay Allyn | Counselor Celia Ross | 1 | 1 |
| Jackson Hurst | Thomas Archibald | Zach Nelson | 1 | 1 |
| Jennifer Rhodes | Jean Dominy | Claudia | 1 | 1 |
| Jessica Tuck | Shannon's Mom | Gloria Caplinger | 1 | 1 |
| Joe Nieves | Michael Baker | Justin Kinneman | 1 | 1 |
| John Allen Nelson | Arthur Soltanoff | JSOC Vice Admiral Lloyd Manditsky | 1 | 1 |
| John Bishop | James Carlson | Army Surplus Store Owner | 2 | 1 |
| Joseph Lyle Taylor | Weiss | Detective Edward Olson | 1 | 1 |
| Josh Stamberg | Tommy Walker | Marine Major Ike Varnai | 1 | 1 |
| Julie Gonzalo | Teresa Benson | Sarah Schaefer | 1 | 1 |
| Karly Rothenberg | Ruth Bennet | Female Passerby | 1 | 1 |
| Kate McNeil | Tess's Mother | Commander Green | 1 | 1 |
| Katherine Cunningham | Ashley | Navy Lieutenant Laura Ellison | 1 | 1 |
| Kevin Rankin | Jack Vaughan | Dennis Moran | 2 | 1 |
| Larry Sullivan | David Young | Flight Surgeon | 1 | 1 |
| Linda Gehringer | Georgia Fisher | Michelle Stark | 1 | 1 |
| Lindsey Kraft | Lisa Campbell | Sarah Goode | 1 | 2 |
| Lorraine Toussaint | Dr. Helen Fincher | Deputy Director Donna Wolfson | 1 | 1 |
| Mariette Hartley | Betty Kenner | Hanna Lowell | 2 | 1 |
| Matt McCoy | Mr. Nichols | Senator Thomas Bransfield | 1 | 1 |
| Meg Steedle | Melissa | Amanda Kendall | 1 | 1 |
| Michael Hyatt | Mariann Davidson | Judy Williams | 1 | 1 |
| Michael Weston | Quinn Durston | Herman Maxwell | 2 | 1 |
| Nicholas Gonzalez | Clark West | David Silva | 1 | 1 |
| Patrick Fabian | Dr. Oliver Lebackes | Ray Vincent | 2 | 1 |
| Perrey Reeves | Margaret | Wendy Miller | 1 | 1 |
| Randy J. Goodwin | Eric Young | Clark Anderson, Defense Lawyer | 1 | 2 |
| Rebecca McFarland | Tara Parker | Det. Rapp | 2 | 1 |
| Sam Anderson | Michael Whitman | Walter Carmichael | 1 | 1 |
| Sara Paxton | Leticia Gregory | Amber Carnahan | 2 | 1 |
| Scott Michael Campbell | Mr. Hubble | Robert Miller | 1 | 1 |
| Shannon Lucio | Amanda | Amy Harrison | 3 | 1 |
| Skye P. Marshall | Mary Hodges | Sara Carter | 1 | 1 |
| Spencer Garrett | Jim Walker | Commander Spenser | 1 | 1 |
| Tim De Zarn | Santa Claus | David Runion | 1 | 1 |
| Titus Makin, Jr. | Rick Schultz | Navy Ensign Thomas Burke | 1 | 1 |
| Todd Waring | Tobin | Albert James "Jamie" Beck | 1 | 1 |
| Tonja Kahlens | Courtney Swanson | Nina Craig | 1 | 1 |
| Valerie Cruz | Zona Cruz | Anna | 1 | 1 |
| Vanessa Bell Calloway | Lucinda Gamble | Sally Hammond | 2 | 1 |
| Wendy Davis | Holly Adams | Navy Captain Kensington Bloom | 1 | 1 |
| William Allen Young | Morris Haynes | FBI Director Barry Hutchins, U.S. Secretary of Defense Moses McClaine | 1 | 2 |
| Wilson Cruz | Kyle | Todd Ryder | 1 | 1 |
| Blake Hood | Clive Johnson | Bennett Jermaine | 3 | 1 |
| Hilda Boulware | Ante Ndugu | Madam Foreperson | 3 | 1 |
| Meeghan Holaway | Representative for the Doctors | Dr. Hale | 3 | 1 |
| Caryn West | Maura Brooks | DCS Department Head Karen Fox | 2 | 1 |
| Chelcie Ross | Dr. Harper Avery | Josef Hanlon | 2 | 1 |
| Dan Martin | Scott Hill | Mail Carrier | 2 | 1 |
| David Chisum | Judge Jeffrey King | Doctor David Woods | 1 | 2 |
| Debra Christofferson | Elaine | Rita Gregg, Uta | 1 | 2 |
| Isabella Hofmann | Irene Waller | Judge Evelyn Wallace, Kate Reynolds | 1 | 2 |
| Johanna Curé | Natalia Asaki | Aida Torres | 2 | 1 |
| John Billingsley | Jacob Nolston | Jackson Scott | 2 | 1 |
| Olivia Negron | Norma Douglas | Abuela | 2 | 1 |
| Philip Casnoff | Dr. Mel Barnett | Sean Latham | 1 | 2 |
| Pilar Holland | Dr. Lynne Cohen | Colonel Lucia Campbell | 1 | 2 |
| Ravi Kapoor | Sunder Atluri | Bashire Malik | 1 | 2 |
| Robert Picardo | Mr. Nelligan | Retired Marine Gunnery Sergeant Dale Harding | 2 | 1 |
| Stephanie Niznik | Carol | Sharon Bellows | 2 | 1 |
| Walter Fauntleroy | Bartender | Navy Petty Officer First Class Lamar Finn | 2 | 1 |
| Richard Keith | Intern Mitch | Frank Dreyer | 4 | 1 |
| Adam Busch | Fred Wilson | Arthur Jankowski | 1 | 1 |
| Alex Fernandez | FBI Agent Heyward | Joseph Flores | 2 | 2 |
| Amanda MacDonald | Claire Rice | Norah Webb | 1 | 1 |
| Amy Sloan | Kelly | P.O. Cynthia Cluxton | 1 | 1 |
| Angela E. Gibbs | Mrs. Rollins | Eden Penzance | 1 | 1 |
| Audrey Moore | Susan | Chloe Crane | 1 | 1 |
| Ben Vereen | Archie | Lamar Addison | 1 | 1 |
| Blue Deckert | Frank | Federal Marshal | 1 | 1 |
| Brandon Quinn | Leo | Gregg Abell | 1 | 1 |
| Brennan Elliott | Dave Kristler | Martin Stillwell | 1 | 1 |
| Bruce French | Father Kevin | Floyd Vernon | 1 | 1 |
| Burl Moseley | Jason Cooper | Nurse | 1 | 1 |
| Carl Beukes | Daniel | John Calfa | 1 | 1 |
| Chelsea Alden | Danielle Gordon | Navy Petty Officer Third Class Stephanie Vairo | 1 | 1 |
| Chet Grissom | Uncle Pat | Rupert Kittridge | 1 | 1 |
| Christine Horn | Ericka | Doctor Felicia Serena | 1 | 1 |
| Christopher Carrington | Sam Kenton | Navy Seaman Ronald "Ronny" T. Jones | 1 | 1 |
| Christopher Redman | Chris | Carl Fleming | 1 | 1 |
| Dahlia Salem | Jan Taylor | Maria De La Rosa | 1 | 1 |
| Dalila Ali Rajah | Leanne | Connie Falco | 1 | 1 |
| Danielle Bisutti | Liz Langer | Secret Service Special Agent Ashley Winter | 1 | 1 |
| Dave Florek | Herman Crum | Virgil McKeever | 1 | 1 |
| David Burke | Don | George Ingram | 1 | 1 |
| DeVaughn Nixon | Miles Ferguson | Scott Gunderson | 1 | 1 |
| Dohn Norwood | Lou | Fairfax County P.D. Sergeant Sherman T. Harper | 1 | 1 |
| Eric Ladin | Victor Brown | P.O. Thompson | 1 | 1 |
| Greg Cromer | Dana | Webber Silk | 1 | 1 |
| Hayley Chase | Cassidy Gardner | Kimberly | 1 | 1 |
| Heather Mazur | Erin Mason | Laura Strike-DePalma | 1 | 1 |
| Hillary Tuck | Julie Jacobson | Justine Booth | 1 | 1 |
| Jessica Collins | Denise | Judy Ford | 1 | 1 |
| Jocko Sims | Randy | Michael Thomas | 1 | 1 |
| Joe Holt | Steve Beck | Navy Captain Jack Wallace | 1 | 1 |
| John Posey | Aurelio Wheeler | Lance Simmons | 1 | 1 |
| John Siciliano | Jeff | Marine PFC Nathan Stone | 1 | 1 |
| Judith Moreland | Mrs. Baer | Carrie Lewis | 1 | 1 |
| Kareem Grimes | Steve | Bushmeat Smuggler | 1 | 1 |
| Kari Coleman | Mother | Maggie Scott | 1 | 1 |
| Karina Noelle Castillo | Paramedic | FBI Agent Ramirez | 1 | 3 |
| Kathe Mazur | Mrs. Epstein | Vice Admiral Dawn Tyson | 1 | 1 |
| Kristen Ariza | Angela | CIA Operations Officer Loretta Tennison | 1 | 1 |
| Larry Cedar | Dr. Cohn | Jason Kaplan | 1 | 1 |
| Lee Garlington | Farah Linden | Mary Hanlan | 1 | 1 |
| Mark Bloom | Prosecutor | Dr. Marley | 1 | 1 |
| Markus Flanagan | Ed Hamilton | Navy Commander Mike Taffet | 1 | 1 |
| Mary Gallagher | Mrs. Hamilton | Betty Baxter | 1 | 1 |
| Matthew Alan | David Fisher | Navy Lieutenant Paul Booth | 1 | 1 |
| Meryl Hathaway | Tovah Freedman | Nora Ankrom | 3 | 1 |
| Michael Beach | Mr. Baker | Metro Detective Robert Flowers | 1 | 1 |
| Michael McGrady | Stanley Singer | Walter Dunn | 1 | 1 |
| Michael Reilly Burke | Mr. Finch | Frank Connell | 1 | 1 |
| Millie Bobby Brown | Ruby | Rachel Barnes | 1 | 1 |
| Miriam A. Hyman | Michelle Williams | Lanny Peete | 1 | 1 |
| Nanrisa Lee | E.R. Nurse | Inspector General Regina Ward | 1 | 1 |
| Patrick Fischler | Jake Steiner | George Stenner | 1 | 1 |
| Peter MacKenzie | Warren Kramer | Jack Murdoch | 1 | 1 |
| Rachel Rosenbloom | Talia Stern | Frances Bates | 1 | 1 |
| Shannon Cochran | Mrs. Singleton | Mallory Linn | 1 | 1 |
| Shohreh Aghdashloo | Dr. Helen Crawford | Mariam Bawali | 1 | 1 |
| Sommer Carbuccia | Caleb Hicks | Marine Lance Corporal Brian Zanella | 1 | 1 |
| Sonya Leslie | Rita | Nancy | 1 | 1 |
| Sophina Brown | Joyce | Navy Reserve Lieutenant Callie Daniels | 1 | 1 |
| Stephen Lee | Mr. Gibson | Chuck Bayliss | 1 | 1 |
| Stephen Mendel | Dr. Russo | Retired NCIS Special Agent Fred Pettis | 1 | 1 |
| Sunkrish Bala | Steve Murphy | Sameer Aziz | 1 | 1 |
| Taja V. Simpson | Samantha Calder | Misha Rose | 1 | 1 |
| Taylor Blackwell | Kelsey | Trista | 1 | 1 |
| Taylor Nichols | Rick Humphrey | Hank Galvaston | 1 | 1 |
| Tiffany Dupont | Zoe | Kimberly Nolan | 1 | 1 |
| Tom Bower | Mr. Schultz | Sheriff Miller Thompson | 1 | 1 |
| Tommy Snider | Edward Taylor | Nestor Quinn | 1 | 1 |
| Trevor Donovan | Beau Caraway | Navy Commander Thomas Buckner | 1 | 1 |
| Zoe Perry | Katy | Harper's Ferry Police Officer Kristin Fields | 1 | 1 |
| Andrea Bordeaux | Tasha Lawson | Courtney | 2 | 1 |
| Boise Holmes | Phillip | Security Guard, Security Supervisor | 1 | 2 |
| Catherine Dent | Cathy Rogerson | Former NCIS Special Agent Whitney Sharp | 1 | 2 |
| Clare Carey | Nikki Gibson | Ann Gibbs | 1 | 2 |
| John Cothran, Jr. | Ken Monroe | Alfred Holbrook | 2 | 1 |
| Linda Park | Deborah Lee | JAG Officer Lieutenant Nora Patel | 2 | 1 |
| Melissa Greenspan | Janet | Mother, NTSB Agent Melanie Bass | 1 | 2 |
| Paul Perri | Rick's Friend | Man | 2 | 1 |
| Reggie Austin | Jay | Navy Lieutenant Carlton Mane, Peter Braden | 1 | 2 |
| Rhomeyn Johnson | Manager | Trucker Al | 2 | 1 |
| Rueben Grundy | Jake | Philadelphia P.D. Detective Dubrow | 2 | 1 |
| Webster Williams | Alison's Father | Colonel Jasper Shepard | 1 | 2 |
| Michael Lesly | Flight Paramedic | Fireman #1 | 3 | 1 |
| Aaron Abrams | Lance | Todd Price | 1 | 1 |
| Adam Kulbersh | Tommy | Alan Katzenbach | 1 | 1 |
| Alan Rachins | Louie | Bud | 1 | 1 |
| Alex Alexander | Annie Connors | Sara Turcott | 1 | 1 |
| Alexandra Barreto | Pammy | Navy Petty Officer Rena Oliver | 1 | 1 |
| Alyson Reed | Anna From HR | Monica Keogh | 1 | 1 |
| Amir M. Korangy | Dr. Safavi | Professor Zahir Najjar | 1 | 1 |
| Amy Stewart | Diane Early | Katie Happ | 1 | 1 |
| Anthony Montgomery | Chris Ward | Marine Corporal George Linden | 1 | 1 |
| Ashley Platz | Claire Conway | Kat Hanna | 1 | 1 |
| Barry Shabaka Henley | Mr. Patterson | Earl Goddard | 1 | 1 |
| Bonnie Bartlett | Rosemary Bullard | Dr. Silvia Chalmers | 1 | 1 |
| Brett Tucker | Lucas Ripley | Navy Lieutenant Commander Geoffrey Brett | 1 | 1 |
| Cameron Watson | Rick | Randy | 2 | 1 |
| Carole Weyers | Emily | Trish Wallace | 1 | 1 |
| Casey Sander | Casey | Ed Gantry | 1 | 1 |
| Charlie Bodin | Todd | Keith Messier | 1 | 1 |
| Charlie Robinson | Leo Paulson | Ray Jennings | 1 | 1 |
| Cory Blevins | Surgeon #2 | Father | 1 | 1 |
| DaJuan Johnson | Barrett Bowlan | NIS Special Agent Edward Scott | 2 | 1 |
| Daniel Steven Gonzalez | Paramedic Garza | Rico Ruiz | 1 | 1 |
| David Carey Foster | Jackson's Lawyer | Nicholas Mallard | 1 | 1 |
| David Carpenter | Norris Straughn | Henry Hoss | 1 | 1 |
| David Paluck | Surgeon #2 | Dir. Glenn Webb | 2 | 1 |
| David Pevsner | Examiner #2 | Driver | 2 | 1 |
| David Rees Snell | Richy Rich | Morgan Hunt | 1 | 1 |
| David Shatraw | Lawyer #2 | Bobby Quinn | 1 | 1 |
| Elizabeth Ho | Molly | NCIS Analyst Emma Park | 1 | 1 |
| Erin Cahill | Meg Shelley | Navy Lieutenant Jessica Summers | 1 | 1 |
| François Chau | Mr. Chue | Henry Deng | 1 | 1 |
| Geoffrey Blake | Jim | Marc Attencio | 1 | 1 |
| Glenn Morshower | Walter | Cmdr. Robert Peters | 1 | 1 |
| Graham Beckel | Jim Johnson | Norman "Pit" Pittorino | 1 | 1 |
| Gregg Daniel | Paul James | Parking Enforcement Officer Riggs | 1 | 1 |
| Gwendoline Yeo | Michelle Carpio | NCIS Special Agent Joanna Wright | 1 | 1 |
| Ian Alda | Applicant #3 | Luke Green | 1 | 1 |
| Jason Kelley | Chuck | Marine Master Sergeant Ramsey Dillon | 1 | 1 |
| Jason London | Jeff Pope | Dwight Kasdan | 1 | 1 |
| Javier Grajeda | Jeffrey Hernandez | Dr. Kelly Whelan | 1 | 1 |
| Jay Ali | Doug | Omer Malik | 1 | 1 |
| Jenny Cooper | Bethany | Connie Martin | 1 | 1 |
| John Lacy | Zack | Park Ranger Kett | 1 | 1 |
| Jonathan Goldstein | Ken May | Glenn Block | 1 | 1 |
| José Zúñiga | Anthony Meloy | Navy Capt. Dr. Adrian De La Casa | 1 | 1 |
| Julie Carmen | Sarah Martinez | Isabel Medina | 1 | 1 |
| June Carryl | Nurse | Julia Marino | 1 | 1 |
| Kate Cobb | Mari Prishna | Reagan Reilly | 1 | 1 |
| Keith Sellon-Wright | Surgeon #1 | Admiral Xavier Meade | 2 | 1 |
| Kelly Sry | Tech | Dr. Scott Long | 1 | 1 |
| Kenneth Mitchell | Wade Solomon | Nathan Curtis | 1 | 1 |
| Lesley Fera | Ann | Dr. Wendy Lythcott | 1 | 1 |
| Lilli Birdsell | Emily Rochester | Jill Reynolds | 1 | 1 |
| Lori Alan | Ellen Weaver | Warden Diana Tully | 1 | 1 |
| Madeline Carroll | Ivy Soltanoff | Angela Kelp | 1 | 1 |
| Mandy June Turpin | Karla | Karen Bright | 1 | 1 |
| Mandy Levin | Dana Leggett | Shirley Ives | 1 | 1 |
| Mark Harelik | Keith Polus | Ron Levinson | 1 | 1 |
| Mark L. Taylor | Dave Buckley | Dr. Harvey Kimball | 1 | 1 |
| Matt Orduna | Chris Webber | Shelter Manager | 1 | 1 |
| Michael Shamus Wiles | Dr. Miller | Jimmy the Bartender | 1 | 1 |
| Molly Hagan | Jackie | Audrey Vetter | 1 | 1 |
| Obba Babatundé | David Gates | Joe Banks | 1 | 1 |
| Paul Terrell Clayton | Mr. Donovan | Navy Commander Carl Davis | 1 | 1 |
| Paul Zies | Biker Dude | Big Bark | 1 | 1 |
| Peggy Dunne | Louise | Doris Tolchuck | 1 | 1 |
| Peter Breitmayer | Carson Methodist Doctor | Dwight Romano | 1 | 1 |
| Rachel Boston | Rachel | Siri Albert | 1 | 1 |
| Rahnuma Panthaky | Dr. Kasliwal | Neera Kapoor | 1 | 1 |
| Rebecca Lowman | Mrs. James | Navy Lieutenant Lisa Mason | 1 | 1 |
| Rich Ceraulo Ko | Brian | North Carolina State Trooper Muncie Tyson | 1 | 1 |
| Richard Augustine | Carlos McAdams | Janitor | 1 | 1 |
| Rob Nagle | Howard Bonaman | Wayne Usher | 1 | 1 |
| Rodney Rowland | Brian | Operations Officer Jonah McGuire | 1 | 1 |
| Sam Daly | Will Jones | Virginia State Police Officer Dale Moseby | 1 | 1 |
| Samantha Quan | Shelly Boden | Amy Linden | 1 | 1 |
| Sarah Hagan | Devo Friedman | Sandy | 1 | 1 |
| Shaan Sharma | Omar Singh | Jordanian G.I.D. Officer Rani Alfarah | 2 | 1 |
| Stacey Hinnen | Mr. Johnson | Delivery Driver | 1 | 1 |
| Teri Reeves | Rory | Navy LTJB Dana Robbins | 1 | 1 |
| Tina Huang | Roxanne | Captain Boggs | 1 | 1 |
| Charles Duckworth | Brian | Joe Bennes | 2 | 1 |
| Lawrence Pressman | Frank Nelson | Dr. Russell Pike, Secret Service Director | 1 | 2 |
| Mia Barron | Lauren Turner | Doctor Katrina Griffin | 1 | 2 |
| Regi Davis | Dr. Kevin Fisher | Commander David Smith | 2 | 1 |
| Abigail Mavity | Ariel Williams | Jordyn Wright | 1 | 1 |
| Aixa Clemente | Trial Partner #2 | Nancy | 1 | 1 |
| Albie Selznick | Columbia Representative | Marty Allen | 1 | 1 |
| Alexander Wraith | Oscar Hallis | Farshad Sarabi | 1 | 1 |
| Alexandra Holden | Jamie Carr | Brooke Fenten | 1 | 1 |
| Alexis Stier | Annie Cooper | Farrah | 1 | 1 |
| Alisa Allapach | Mrs. Ardilla | Sheila | 1 | 1 |
| Amber Friendly | Photographer | Eden Greyson | 1 | 1 |
| Andrew Bilgore | Tim Epstein | Franklin Morrison | 1 | 1 |
| Andrew Thacher | Sean | West Virginia State Trooper Sergeant Paul Westgard | 1 | 1 |
| Andy Cohen | Doug Miller | Doctor Warren Cole | 3 | 1 |
| Anisha Adusumilli | Couples Therapist | Veeda Rajab | 1 | 1 |
| Audrey Wasilewski | Nicole Waldman | Shirley Wilkes | 1 | 1 |
| Austin Highsmith Garces | Amber Courier | Darlene Jones | 1 | 1 |
| Benjamin King | Dalton Marks | Public Affairs Office Ron Sands | 1 | 1 |
| Bernard White | Dr. Darwich | Afghani Ambassador Qasim Saydia | 1 | 1 |
| Braeden Lemasters | Brian | Noah Taffet | 1 | 1 |
| Brent Briscoe | Henry Lamott | Buzz | 1 | 1 |
| Brett Rickaby | Mr. Weston | Steve Diamond | 1 | 1 |
| Carol Locatell | Mai | Renee Prewdome | 1 | 1 |
| Chelsea Harris | Lori Bosson | Danielle Benton | 1 | 1 |
| Christie Lynn Smith | Cynthia Daniels | Cara Barnsway | 1 | 1 |
| Coby Ryan McLaughlin | Chad Anderson | Pete Wilkins | 1 | 1 |
| Corey Mendell Parker | Brian Wilson | Metro Police Officer Bilik | 1 | 1 |
| Courtney Ford | Jill Meyer | Navy Petty Officer 2nd Class Kaylen Burrows | 1 | 1 |
| David Clennon | Jack Shandley | Max Ellswood | 1 | 1 |
| Don McManus | Samuel Linden | Mark Stafford | 1 | 1 |
| Drew Powell | Carl Shatler | Fred Hadley | 1 | 1 |
| Drew Rausch | John Finch | Brandon Singer | 1 | 1 |
| Elyse Mirto | Grace | Marine Colonel Stefanie Collier | 1 | 1 |
| Emil Beheshti | Man with Plaid Bow Tie | FBI Agent Dan Lenroff | 1 | 1 |
| Emily Berry | Screaming Woman | Gladys | 1 | 1 |
| Eric Ramey | Warren Griffith | Doctor Nolan Cooper | 1 | 1 |
| Erica Piccininni | Barbara Collins | Navy Lieutenant Clea Thorson | 1 | 1 |
| Geoffrey Rivas | Stu Vargas | Ricardo Guzman | 1 | 1 |
| Gerald Downey | Dr. Kenton Giles | Navy Cmdr. Ray Trapp | 1 | 1 |
| Gina Hecht | Mrs. Sutton | Christine Newhall | 1 | 1 |
| Hugh Holub | Dr. Ben Warren | Superintendant | 1 | 1 |
| Iman Crosson | Sheldon Salley | Navy Lieutenant Elliot Greene / Man | 1 | 1 |
| J.B. Tadena | Nurse Adam | Navy Combat Information Center Officer Lonnie Franklin | 1 | 1 |
| James Huang | Social Worker | Petty Officer Wong | 1 | 1 |
| Jarrod Bailey | Seth Gruberman | Chris Valley | 1 | 1 |
| Jason Gray-Stanford | Josh Englander | Dr. Jay Berman | 1 | 1 |
| Jason Kravits | Chuck Rubin | Doctor Gordon Roth | 1 | 1 |
| Jeremy Glazer | Drew Hawkins | Douglas Pritchard | 1 | 1 |
| Jillian Bach | Gretchen | Emily Moss | 1 | 1 |
| Jim Parrack | Ted Carr | Nick Hurley | 1 | 1 |
| John M. Jackson | Kevin Covington | Rear Admiral A.J. Chegwidden | 1 | 1 |
| John Prosky | Mr. Singleton | Carl Dalton | 1 | 1 |
| John Rubinstein | Keith Kalber | Bob | 1 | 1 |
| John Sloan | David Pailey | Luke Pischedda | 1 | 1 |
| Jon Curry | Fred Fisher | Deputy Tyler Barrett | 1 | 1 |
| JoNell Kennedy | Duda Kyat | Navy Commander Lisa Cleveland | 1 | 1 |
| Josh Daugherty | Ken Daniels | Devon Kane | 1 | 1 |
| Judyann Elder | Angelica Paulson | Marny Mathers | 1 | 1 |
| Kai Lennox | Speed | Adam Parker | 1 | 1 |
| Kasey Mahaffy | Billy Best | Doctor Patton Hartgrave | 1 | 1 |
| Katie Lowes | Blood Donor | Bryn Landers | 1 | 1 |
| Kevin Christy | Brady Sullivan | Clarence Tobett | 1 | 1 |
| Kim Hidalgo | Wendy | Maid of Honor | 1 | 1 |
| Klea Scott | Dr. Dominique Eldredge | Airport Police Lieutenant Janet Lewis | 1 | 1 |
| La Monde Byrd | Martin Sterling | Marine Captain Rand Kraus | 1 | 1 |
| Larry Brandenburg | Arnie Grandy | Hubble | 1 | 1 |
| Larry Clarke | Paul | Director | 1 | 1 |
| Lincoln A. Castellanos | Ray Sanchez | Marty | 1 | 1 |
| Lou Beatty, Jr. | Miguel Ruiz | Issac Curtis | 1 | 1 |
| Luis Carazo | Bartender | Hank Hammersmith | 1 | 1 |
| Marcuis Harris | Rob Mays | Chris Jenkins | 1 | 1 |
| Matt Crabtree | IDC Dude | Curt Carver | 1 | 1 |
| Matt McTighe | Vincent Wagner | Allan Hayes | 1 | 1 |
| Merrick McCartha | Karl | Doctor Eugene Pierce | 1 | 1 |
| Michelle Krusiec | Anna Chue | Maya | 1 | 1 |
| Missy Yager | Terri | Michelle Davison | 1 | 1 |
| Miya Kodama | Emily | Janice | 1 | 1 |
| Myndy Crist | Diane Hanson | Jennifer Vickers | 1 | 1 |
| Nancy Youngblut | Donna Mae Clarkson | Joanna "Mama Jo" Dalton | 1 | 1 |
| Nicolas Hedges | Liam Hayes | '80s Kid | 3 | 1 |
| Oscar Best | Pastor Rhinehold | Phil Newcastle | 1 | 1 |
| Patrick W. Day | ND Patient | Phil Iverson | 1 | 1 |
| Philip Shahbaz | Arab Translator | Doctor Hamza Bashar | 1 | 1 |
| Ramón de Ocampo | James Benton | Navy Lieutenant Thomas Gorman | 1 | 1 |
| Rick Worthy | Ray Pelletier | Navy Captain Logan Doyle | 1 | 1 |
| Sean Carrigan | Todd | Michael Vinton | 1 | 1 |
| Shane Johnson | Anthony Valentine | CIA Agent Stephen Wheeler | 1 | 1 |
| Shein Mompremier | Andra | Desiree Mason | 1 | 1 |
| Shelley Robertson | Arlene Travis | Navy Captain Beverly Sharp | 1 | 1 |
| Sofie Calderon | Elaine Hodge | Joan | 1 | 1 |
| Stacy Edwards | Kathleen Wheeler | Commander Janice Byers | 1 | 1 |
| Stephanie Childers | Nancy Walters | Mrs. Gillis | 1 | 1 |
| Stephanie Erb | Mrs. Gantry | Rachel Nasry | 1 | 1 |
| Steven Flynn | Scott Robinson | Roman Sobchek | 1 | 1 |
| Susan Ruttan | Mrs. Swore | Samantha "Sammy" Delfino | 1 | 1 |
| Tim Chiou | Paramedic #6 | Petty Officer Kevin Lim | 3 | 1 |
| Tyler Jacob Moore | Dane Pinetti | Richie Rose | 1 | 1 |
| Vanessa Martinez | Gretchen Price | Marta De Leon | 1 | 1 |
| Wendy Braun | Captain LeVantine | Cindy Sanchez | 1 | 1 |
| Yolanda Snowball | Physical Therapist | Meeting Secretary | 1 | 1 |
| Jerry Kernion | Bobby Corso | Pastor Alan, Scott Rowe | 1 | 2 |
| Leith Burke | Dr. McQueen | Marine Captain Jared Bratton | 2 | 1 |
| Marlon John | Search and Rescue #3 | Guard, PMC #2 | 1 | 2 |
| Noel Arthur | Deputy Fire Chief | Ramses | 2 | 1 |
| Rigo Sanchez | Stan the Paramedic | Boyfriend | 2 | 1 |
| Walter Wong | Echo Tech | Civilian Crewman #2 | 2 | 1 |
| Aaron Lustig | Judge William Benson | Doctor Victor Kalsa | 1 | 1 |
| AJ Achinger | Dylan | Spencer Cox | 1 | 1 |
| Andrew Borba | Chris Ward | Doctor Phillip Heller | 1 | 1 |
| Andy Milder | Dr. Darryl Nessbaum | Gene Isaacson | 1 | 1 |
| Ashlee Füss | Lisa Wilcox | Teenaged Girl | 1 | 1 |
| Assaf Cohen | Aamir Elshami | Eli Lissack | 1 | 1 |
| Austin Basis | Devin | Dalles | 1 | 1 |
| Barry Livingston | Wayne Sheehan | Bartholomew Lemming | 1 | 1 |
| Blake Bashoff | Elliott Meyer | Josh Cooper | 1 | 1 |
| Brady Smith | Mike Purdy | David Cross | 1 | 1 |
| Brian Oblak | Daniel Rudin | MPD Cop #1 | 1 | 1 |
| Briana Venskus-Vazquez | Adriana | Joanna | 1 | 1 |
| Chastity Dotson | Leslie Wilson | Former Navy Lieutenant Monica King | 1 | 1 |
| Cheryl White | Lynn Connors | Rebecca Biddle | 1 | 1 |
| Cliff Chamberlain | Bob Reeves | Peter Buck | 1 | 1 |
| Coy Stewart | Chase's Friend | Brandon Conway | 1 | 1 |
| Dustin Ingram | Bruce Fuller | Ozzie Duncan | 1 | 1 |
| Fidel Gomez | Morgue Attendant | Jordan Block | 1 | 1 |
| Gabriel Tigerman | Noah Reynolds | Max Comey | 1 | 1 |
| Gina Gallego | Lucia Torres | Judge Monica Fernandez | 1 | 1 |
| Helen Eigenberg | Lillian Campion | Lt. Cmdr. Amanda Wilkerson | 1 | 1 |
| Holmes Osborne | Dr. Kenzie | Fred Hanlan | 1 | 1 |
| Ivar Brogger | Graham Cunningham | Simon Katz | 1 | 1 |
| Jeremiah Birkett | John McMurdo | Dean Neil Pattterson | 1 | 1 |
| Jesse Head | Will | Lyle Chamber | 1 | 1 |
| John Henry Canavan | Stewart Tyler | Jake Munro | 1 | 1 |
| Josh Randall | William | Navy Commander Ryan Barnes | 1 | 1 |
| Kaipo Schwab | Mr. Hale | FBI Assistant Special Agent in Charge Liam McCullers | 1 | 1 |
| Karole Foreman | Olivia | Lydia Miles | 1 | 1 |
| Kate Rene Gleason | Elyse Cruse | Jane | 1 | 1 |
| Kelsey Scott | Karen Campbell | FBI Senior Agent Lynette Doyle | 2 | 1 |
| Lawrence Adimora | Jason Kenton | Navy Seaman Jacob Pierway | 1 | 1 |
| Mary Pat Gleason | Marge Walker | Nurse Wells | 1 | 1 |
| Matt Bush | Russell West | Felix | 1 | 1 |
| Matt Winston | Frank Jeffries | Rick Carvell | 1 | 1 |
| Matthew Downs | Frank | Bill Norian | 1 | 1 |
| Maura Soden | Librarian | Former NCIS Special Agent Melora Koss | 1 | 1 |
| Megan Stier | Liz Cooper | Sarah | 1 | 1 |
| Michael Hagiwara | Charles Hyatt | Scholarly Man #1 | 1 | 1 |
| Michael Patrick McGill | Bob Corson | Joey Kelly | 1 | 1 |
| Michael Weaver | Greg | Thomas McAllister | 1 | 1 |
| Nina Rausch | Sheila Davis | Devon Hill | 1 | 1 |
| Paul Cassell | John Hanson | Bart Crowley | 1 | 1 |
| Paul Norwood | Scared Guy #2 | Jesse Gilyard | 1 | 1 |
| Rich Hutchman | Fake Patient | Deputy Andrews | 1 | 1 |
| Rick Gifford | Davis Calder | State Dept. Special Agent Smith | 1 | 1 |
| Rico E. Anderson | Donnie | Rick Samson | 1 | 1 |
| Rocky McMurray | Hunter | Howard County P.D. Officer Ray Mitchell | 1 | 1 |
| Roshawn Franklin | Todd Holmes | Crew Chief Rogers | 1 | 1 |
| Rya Kihlstedt | Claire | Linda Idleton | 1 | 1 |
| Sally Ann Brooks | Marie Lamott | Margaret Scott | 1 | 1 |
| Tacey Adams | Widow Amos | Grandma Avatar | 1 | 1 |
| Taj Speights | Jonah Mays | JaVale Brown | 1 | 1 |
| Timothy Bottoms | Carl Murphy | Ritt Everett | 1 | 1 |
| Tom Costello | Seth Lepik | Nathan Roberts | 2 | 1 |
| Treisa Gary | Beth | Hannah | 1 | 1 |
| Tyler Ritter | Paul Zarr | Luca Sciuto | 1 | 1 |
| Walter Perez | Russ | Army First Lieutenant Michael Waters | 1 | 1 |
| Yeniffer Behrens | Laura Medina | Marta Jimenez | 1 | 1 |
| Jim Lau | Examiner #4 | Old Vendor | 2 | 1 |
| Alina Phelan | Karen Marks | Amy | 1 | 1 |
| Amari O'Neil | Max Forrester | Edgar | 1 | 1 |
| Angelo Tiffe | Trey Boyd | Jed Hamilton | 1 | 1 |
| Annie O'Donnell | Older Woman | Agnes Anderstout | 1 | 1 |
| Ashton Moio | Charlie Scott | Michael Reardon | 1 | 1 |
| Betsy Baker | Barb | Ramona | 1 | 1 |
| Brea Bee | Patricia Cole | Mrs. Richter | 1 | 1 |
| Brian Ames | Passerby | Matthew Duques | 1 | 1 |
| Brian George | Emile Flores | Dr. Ameen Temani | 1 | 1 |
| Brian Ibsen | Jason | Bryce Tolson | 1 | 1 |
| Brian Maillard | Perfusionist | Leo Finch | 1 | 1 |
| Brick Jackson | Mr. Williams | Little Pinky | 1 | 1 |
| Chris Agos | Barry Clemens | Captain Noah Finch | 1 | 1 |
| Courtney Hope | Ariana | Petty Officer Second Class Judy Sloan | 1 | 1 |
| Cyd Strittmatter | Dr. Alicia Krause | Joanne Wright | 1 | 1 |
| Diane Venora | Audrey Taylor | Shada Shakarki | 1 | 1 |
| Doug Simpson | Phil Leggett | Roger Dietz | 1 | 1 |
| Elise Robertson | Ms. Johnson | Alice Miller | 1 | 1 |
| Erik Audé | Paramedic Jonathan | Man in a Blue Suit | 1 | 1 |
| Gabriel Sousa | Edgar | Jared | 1 | 1 |
| Isaiah Mustafa | Brian Williams | Oliver Newcomb | 1 | 1 |
| Jarrod Crawford | Dr. Oslow | Marine M.P. Sgt. Brooks | 1 | 1 |
| Jeff Marlow | Drunk Man | Survivalist Trainee #1 | 1 | 1 |
| Jesse Johnson | Logan Treadwell | Robert 'Rob' Bishop | 1 | 1 |
| John Eddins | Firefighter | Steve | 1 | 1 |
| Karl T. Wright | Divorce Mediator | John Hicks | 1 | 1 |
| Kevin Will | Len Gantry | Will Sutton | 1 | 1 |
| Khamani Griffin | Wallace Anderson | Jared Vance | 1 | 1 |
| Kimberly Christian | Natalie Forrester | Nina Bradshaw | 1 | 1 |
| Kovar McClure | Dr. Tim Redmond | NIS Special Agent Duke Turner | 1 | 1 |
| Kyla-Drew Simmons | Mia James | Greta Staley | 1 | 1 |
| Leonard Wu | Eddie Huang | Navy Midshipman Alex Delapena | 1 | 1 |
| Liz Benoit | Woman | Scholarly Woman #2 | 1 | 1 |
| Marcus Ray | Mike | Bouncer | 1 | 1 |
| Michael Canavan | Lawyer | Retired Navy Admiral Thomas Garscott | 1 | 1 |
| Michael Esparza | Marcus | Marine Lance Corporal Jose Silva | 1 | 1 |
| Nichelle Hines | Young Woman | NCIS Special Agent Norma Hench | 1 | 1 |
| Nicole DuPort | Theresa | Emily McBride | 1 | 1 |
| Nicole J. Butler | Jess | Coordinator | 1 | 1 |
| Peter Birkenhead | Dr. Orsen | Elroy Webster | 1 | 1 |
| Philip Smithey | Paramedic Ted | Clint Asher | 1 | 1 |
| Ping Wu | Seymour Glass | Peter Liu | 1 | 1 |
| Robin Karfo | Attending | Zaiyema | 1 | 1 |
| Ron Melendez | Will Sales | Navy Lieutenant Gregory Dennis | 1 | 1 |
| Sarah Butler | Danielle | Nicole | 1 | 1 |
| Scott Klace | Dr. Jordan Wagner | Dr. Timothy Hass | 1 | 1 |
| Shannon Wilcox | Irene | Mrs. Roach | 1 | 1 |
| Stacie Greenwell | Mrs. Vanderburg | Hartford County Sheriff Marge Fields | 1 | 1 |
| Stephen Oyoung | Greg Zheng | Navy Captain Andrew Hubbard | 1 | 1 |
| Sterling Jones | Peter Martin | Marine Captain Dale Martens | 1 | 1 |
| Steven M. Gagnon | Mr. Lepik | CIA Director Roger Kirkwood | 1 | 1 |
| Tom Everett | Jackson's Examiner | CIA Head of Intelligence Kirkwood Zaysen | 1 | 1 |
| Tyrees Allen | Dr. Saltzman | NSO Deputy Director Dean Welsh | 1 | 1 |
| Zeke Alton | Officer Almeida | Detective | 1 | 1 |
| Aaron Perilo | Peter "Gekko" Gekofsky | Petty Officer Third Class Brian Smith | 1 | 1 |
| Anthony Keyvan | Miguel Aranda | Elan Ghorbani | 1 | 1 |
| Anzu Lawson | Executive Three | Sonia Bell | 1 | 1 |
| Brandon Black | Jeremy | Martin Polk | 1 | 1 |
| Chad Addison | Sam Roane | Young Eric Jurel | 1 | 1 |
| Darren Dupree Washington | Reporter | Security Guard | 1 | 1 |
| Dio Johnson | Brett | Marine Lance Corporal Douglas Alexander | 1 | 1 |
| Fareed Ward | Captain Bruno | JSOC Navy Lieutenant Eric Kagen | 1 | 1 |
| Gary Kraus | Louis Cardon | Chuck Parnell | 1 | 1 |
| George Gerdes | Norman Sholman | Field Marshall Nigel Rand | 1 | 1 |
| Greta Sesheta | Shayna | Receptionist | 1 | 1 |
| Harrison Knight | Andrew Willis | Army Private | 1 | 1 |
| James Shanklin | Lt. Moore | Navy Captain Martin Armstrong | 1 | 1 |
| Jasmine Di Angelo | Kelley Hanson | Halia | 1 | 1 |
| Jay Ellis | DJ | Marine PFC Thomas "Tommy" Hill | 1 | 1 |
| Jeffrey Doornbos | Mitch Turner | Marshall Tomko | 1 | 1 |
| Jin Maley | Reporter #1 | NCIS Probationary Agent Anna Ventura | 1 | 1 |
| Jodi Harris | Audrey Hobart | Catherine Taft | 1 | 1 |
| Marc Vann | Hematologist | Mark Sadowski | 1 | 1 |
| Marcus Terrell Smith | Prison Clerk | Wedding DJ / NCIS Agent | 1 | 1 |
| Mary Wickliffe | Annie Banks | Nurse Dooley | 1 | 1 |
| Maya Boudreau | Jessica | Lola Morales | 1 | 1 |
| Mike Kersey | Sales Clerk | Janitor Harry Cooper | 1 | 1 |
| Monica Day | Pauline Ellison | Gloria | 1 | 1 |
| Ned Vaughn | Representative for the Airline | Navy Capt. Dean Pullman | 1 | 1 |
| Nick Jaine | Tim | Jason Patel | 1 | 1 |
| Pepper Sweeney | Lisa's Dad | Jeff Fletcher | 1 | 1 |
| Randy Evans | Interviewer | Ambulance Driver | 1 | 1 |
| Rob Brownstein | Larry | Wayne Gordon | 1 | 1 |
| Rob Mainord | Procurement Surgeon | Myron Holt | 1 | 1 |
| Ron Bottitta | Alex's Examiner | British Royal Marine Captain William Jamison | 1 | 1 |
| Sara Emami | Mom | Darya | 1 | 1 |
| Sue Cremin | Holly | Vivian Sutton | 1 | 1 |
| Toby Meuli | Chaz | Driver | 1 | 1 |
| Vincent Duvall | Rick Henry | Officer Holt | 1 | 1 |
| William Charlton | Jeff | Metro P.D. Jeff Katz | 1 | 1 |
| Wilmer Calderon | Raul Aranda | Wayne Cribbage A.K.A. Tiger Dad | 1 | 1 |
| Zakary Shawn Risinger | Nash | Hurley | 1 | 1 |
| Alain Uy | Captain Pat Aquino | Ray Kessel | 1 | 1 |
| Alejandro Pina | Intern | EMT Jonny | 1 | 1 |
| Brandon Molale | Beefy Patient | Army CID Special Agent Jack Reynolds | 1 | 1 |
| Brian Maierhofer | Josh Sterman | Navy Lieutenant Edward O'Connell | 1 | 1 |
| Brian Michael Jones | Fish Man | NCIS Probationary Agent Terry Mahler | 1 | 1 |
| Carolyn Ratteray | OB Fellow | Nurse | 1 | 1 |
| Chase Kim | Lawyer | SRT Sniper | 1 | 1 |
| Christopher Alvarenga | Camera Crew Person | Buyer #2 | 1 | 1 |
| Clint Culp | Mr. Quaid | Roy Baxter | 1 | 1 |
| Darius De La Cruz | Podcaster #1 | El Doctor | 1 | 1 |
| Johnny Sneed | Garrett | CIA Agent Kramer | 1 | 1 |
| Jordan Murphy | Ray Evans | Navy Commander Ben Randall | 1 | 1 |
| Justin Alston | CT Tech | NCIS Special Agent Holgate | 1 | 1 |
| Kinsey McLean | Billy Linneman | Navy Commander Sean Evans | 1 | 1 |
| Matt Kaminsky | Rashy Man | Henry Spivey | 1 | 1 |
| Robert Neary | Hal | Travis Cook | 1 | 1 |
| Scott Michael Morgan | Patient #2 | Virginia State Trooper Keyes | 1 | 1 |
| Terrell Ransom Jr. | Arthur Krug | Parker Daly | 1 | 1 |
| Tom Choi | Flouroscope Tech | Navy Commander Bradley Hall | 1 | 1 |
| Becky Wahlstrom | Lisa | FET Marine Staff Sergeant Catherine Littleton | 2 | 1 |
| Alex Quijano | Random Guy | Blye Head of Security Blake Huxley | 1 | 1 |
| Brittany Freeth | Nurse Yvette Bergeron | Pilot #2 | 1 | 1 |
| Christopher Guyton | Big Foot | Bouncer | 1 | 1 |
| Grinnell Morris | Intern #4 | FBI Agent Carlson | 1 | 1 |
| Jeffrey Markle | Greg | Jerry | 1 | 1 |
| Julie Wittner | Mrs. Crossley | Female Inmate | 1 | 1 |
| Maggie Gwin | Olivia Noel | Seaman Apprentice | 1 | 1 |
| Mark Fite | Jared Cassidy | Walter Miller | 1 | 1 |
| Pamela Shaddock | Shara Freeman | Nurse | 1 | 1 |
| Sarah Hudson | Lisa Lefkowitz | Navy Commander Theresa Wade | 1 | 1 |
| E-Kan Soong | Police Officer | Asian Man A.K.A. Kenneth Dent A.K.A. Keung Deng | 1 | 1 |
| Jason David | Eli | Brock Gomer | 1 | 1 |
| Jeremy Andorfer-Lopez | Police Officer #1 | Virginia State Police Officer Keith Sanchez | 1 | 1 |
| Kirk Bovill | Brian Turner | Richard Sims | 1 | 1 |
| Lana McKissack | Marley Frank | Edie Samples | 1 | 1 |
| Lisa Costanza | Anna Anderson | Landlord | 1 | 1 |
| Marc Forget | Patient | GIGN Captain Laugier | 1 | 1 |
| Oren Skoog | Drunk Guy | Fanny-Packed Tourist | 1 | 1 |
| Patrick Quinlan | Flight Nurse | London Bobby | 1 | 1 |
| Riley Thomas Stewart | Colin Anderson | Fred Miller | 1 | 1 |
| Tatiana Chekhova | Seamstress | Reena Deesie | 1 | 1 |
| Thomas V. Owen | Police Officer | Brian Duane Roberts | 1 | 1 |
| Tristen MacDonald | Sgt. Rebecca Cohen | Nurse Davies | 1 | 1 |
| Bobby Neely | Tilden | Roland Alan Moore | 1 | 1 |
| Sandra Thigpen | Clara | Nurse Annie Hayes | 1 | 1 |
| Terry Woodberry | Police Officer | Bates | 1 | 1 |
| Allyssa Amelia Entz | Jamie | Lexie Miller | 1 | 1 |
| John Gloria | Rob Kane | George Kaydar | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.