All 131 actors in both NCIS and This Is Us
131 actors have appeared in both NCIS and This Is Us, across 614 episodes. The most-credited is Amanda Leighton, Amanda Adams in NCIS and Teenage Sophie in This Is Us.
| Actor | In NCIS | In This Is Us | Eps | Eps |
|---|---|---|---|---|
| Amanda Leighton | Amanda Adams | Teenage Sophie | 1 | 19 |
| Peter Onorati | Chief of the Boat | Stanley Pearson | 1 | 12 |
| Connie Jackson | Elaine | Waitress | 11 | 1 |
| Jon Huertas | Jack Kale | Miguel Rivas | 1 | 11 |
| Vanessa Bell Calloway | Sally Hammond | Edie | 1 | 7 |
| Carlease Burke | D'Arcy McKinna | Bernice | 3 | 1 |
| Matt Corboy | Petty Officer Lance Tolliver | Matt Dixon | 1 | 4 |
| David DeLuise | Michael Franklin | Bill Lundy | 1 | 1 |
| Jeanette O'Connor | Teri | Vicky | 1 | 1 |
| Judy Kain | Gladys Stone | Barbara | 1 | 1 |
| Krys Marshall | Suzy | Stacy | 1 | 1 |
| Mark Atteberry | Medgar Nash | Brad | 1 | 1 |
| Michael O'Neill | Former NCIS Special Agent Riley McCallister | Arlo | 3 | 1 |
| Stephen Friedrich | Sid | Jordan Martin Foster | 1 | 3 |
| Sumalee Montano | NCIS Special Agent Nicole Taggart | Dr. Gail Jasper | 2 | 2 |
| Susan Santiago | Camila Charo | Dr. Angela Whitaker | 3 | 2 |
| Dan Lauria | Emergency Room Guard Morgan Cade | Mr. Damon | 1 | 2 |
| Jack McGee | Det. Floyd, Richard "Rick" Jordan | George | 2 | 1 |
| Jean St. James | Marilyn Davis | Miss Palm | 2 | 1 |
| Scott Michael Campbell | Robert Miller | Commanding Officer Sheehan | 1 | 2 |
| Tobias Jelinek | Bodie Whitman | David Watkins | 1 | 2 |
| Assaf Cohen | Eli Lissack | Dr. David Monroe | 1 | 1 |
| Briana Venskus-Vazquez | Joanna | Vanessa | 1 | 2 |
| Carl Lumbly | Navy Rear Admiral Beau Hindley | Abe Clarke | 1 | 2 |
| Charley Koontz | Max Hoffman | Zeke | 1 | 1 |
| Floyd Van Buskirk | Rodney Garrison | Jack's Boss | 2 | 1 |
| Galadriel Stineman | Resident Sierra Krueger | Donna | 1 | 1 |
| Gary Kraus | Chuck Parnell | Gus | 1 | 1 |
| Kirsten Nelson | Beth Banks | Doctor Greene | 1 | 2 |
| Marla Gibbs | Rosie Brown | Diner Customer | 1 | 1 |
| Nick W. George | Dr. James Donovan | Asher | 1 | 1 |
| Olivia Sanabia | Serena Zawadski | McKenna | 1 | 1 |
| Sam Anderson | Walter Carmichael | Judge Walter Crowder | 1 | 1 |
| Skye P. Marshall | Sara Carter | Trish Lawrence | 1 | 1 |
| Terryn Westbrook | County Deputy Regina Unger | Natasha, Ashley | 1 | 3 |
| Julia Cho | Ginger Uwanawich | Jill | 1 | 4 |
| Danielle Larracuente | Navy Petty Officer Third Class Maria Gonzalez | Laila | 1 | 3 |
| John Rubinstein | Bob | Ron Schiller | 1 | 3 |
| Maury Morgan | Virginia State Police Officer Marsha Jones | Liz | 1 | 3 |
| William Allen Young | FBI Director Barry Hutchins, U.S. Secretary of Defense Moses McClaine | Councilman Wilkins | 2 | 2 |
| Charlie Robinson | Ray Jennings | Don Robinson | 1 | 2 |
| Susan Blakely | Dr. Cadence Darwin | Anne | 1 | 2 |
| Tom Virtue | Frank Satner | Dr. Grader | 1 | 2 |
| Angela E. Gibbs | Eden Penzance | Older Laurel | 1 | 1 |
| Brett Tucker | Navy Lieutenant Commander Geoffrey Brett | Band Manager | 1 | 1 |
| Eileen Galindo | Evelyn Gomez | Older Beatriz Rivas | 1 | 1 |
| Krishna Smitha | Dr. Carrie Moran | Mary | 1 | 1 |
| Livia Treviño | Lupe | Samantha | 1 | 1 |
| Meryl Hathaway | Nora Ankrom | Linda | 1 | 1 |
| Patrick Cage | Taye Tanner | James | 1 | 1 |
| Sara Paxton | Amber Carnahan | Kathryn | 1 | 1 |
| Sergio Enrique | Marine | Hector | 1 | 1 |
| Thomas Crawford | Doctor Walter Magnus | Mr. Simons | 1 | 1 |
| Tom Yi | Harold | Carl | 1 | 1 |
| Wayne Lopez | Prison Sergeant Desmond Walters | Ned | 1 | 1 |
| Katie Lowes | Bryn Landers | Arielle | 1 | 2 |
| Patrick Mulvey | Milo Rankoff | Grant | 1 | 2 |
| Abhi Sinha | Khan | Nasir Ahmed | 1 | 1 |
| Alex Hyde-White | Dr. Adam Tallridge | Mr. Flaherty | 1 | 1 |
| Brian Oblak | MPD Cop #1 | Joe | 1 | 2 |
| Caryn West | DCS Department Head Karen Fox | Dr. Lee | 1 | 1 |
| Freedom Bridgewater | Sergeant Joe | Morris | 1 | 1 |
| Jason Rogel | Leo | Karl | 1 | 1 |
| John Billingsley | Jackson Scott | Bill Weston | 1 | 1 |
| Ken Lerner | Albert Hencheck | Brandon Novak | 1 | 1 |
| Kiff VandenHeuvel | Metro P.D. Sergeant Peter Todd | Young Dave Malone | 1 | 3 |
| Michael Hagiwara | Scholarly Man #1 | Dr. Takebe | 1 | 2 |
| Paul Zies | Big Bark | Bartender | 1 | 1 |
| Shawn Patrick Clifford | Mike Novaski | Bowling Alley Employee | 1 | 1 |
| Shirley Jordan | Mary Tyler | Happy Grandma | 1 | 1 |
| Tony Winters | Admiral Gene Halverson | Dr. Wilton | 1 | 1 |
| Anthony Hill | Navy Petty Officer Third Class John Blaney "JB" Hicks | Marshall Winston | 1 | 1 |
| Jeremiah Birkett | Dean Neil Pattterson | Brett | 1 | 1 |
| Kevin Symons | Federal Air Marshal Art Neely | Officer Duffy | 1 | 1 |
| Kym Jackson | Phoebe Spitz | Cocktail Waitress | 1 | 1 |
| La Monde Byrd | Marine Captain Rand Kraus | Congressman Andrew Reeves | 1 | 1 |
| Matt Riedy | Navy Rear Adm. Kenneth Kirkland | Coach Waltering | 1 | 1 |
| Merrick McCartha | Doctor Eugene Pierce | Lester | 1 | 1 |
| Molly Hagan | Audrey Vetter | Grace Pendergrass | 1 | 1 |
| Peter James Smith | Benjamin Harmey | Dr. Hugh Lang | 1 | 1 |
| Reatha Grey | Marion | Woman on Bus | 1 | 1 |
| Shelley Robertson | Navy Captain Beverly Sharp | Déjà's Father | 1 | 1 |
| Tony Robinette | Nate Sullivan | PA | 1 | 1 |
| Wendy Braun | Cindy Sanchez | Linda Darroe | 1 | 1 |
| Aaron D. Spears | Marine Major Michael Strickland | Ray | 1 | 1 |
| Carlin James | Navy Seaman Felix Pittorino | Male Flight Attendant | 1 | 1 |
| Crystal Coney | MPD Officer Clara Woods | Female Blind Speaker | 1 | 1 |
| Dan Warner | Federal Marshal | Merrick | 1 | 1 |
| David Lengel | Carlton Laymer | Warren | 1 | 1 |
| Desiree Hall | Jennifer Morrison | Brainy Woman | 1 | 1 |
| Eliza Shin | Myrna | Dr. Lu | 1 | 1 |
| Ericka Kreutz | Joann Hipple | Sue | 1 | 1 |
| Jaxy Boyd | Michelle | Maya Duncan | 1 | 1 |
| Jim Meskimen | Doctor Farrel Emerson | Mr. Philips | 1 | 1 |
| Karly Rothenberg | Female Passerby | Nurse | 1 | 1 |
| Michael Felix | Navy Petty Officer Third Class Gary Falco | Isaiah | 1 | 1 |
| Nefetari Spencer | Realtor | Nurse | 1 | 1 |
| Sally Ann Brooks | Margaret Scott | Nurse Iris | 1 | 1 |
| Richard Gleason | Navy Reservist Dr. Robert Banks | Nervous Player, Professor | 1 | 2 |
| Benmio McCrea | Lawyer | Dr. Dorsey | 1 | 1 |
| Betsy Baker | Ramona | Waitress | 1 | 1 |
| Brianna Reed | Libby | Teen Zoe | 1 | 1 |
| Kenny Cooper | Riley's Dad | Park Slope Meeting Attendee | 1 | 1 |
| Long Nguyen | Ky Van Tu | Quan | 1 | 1 |
| Ray Laska | Defense Minister Andor Gorgova | Miguel's Doctor | 1 | 1 |
| Shaun Duke | Azid Abu Selom | Ray | 1 | 1 |
| Tacey Adams | Grandma Avatar | Judge | 1 | 1 |
| Yvonne Zima | Lana | Nicole | 1 | 1 |
| Erik Audé | Man in a Blue Suit | Thug #1 | 1 | 1 |
| Leonard Kelly-Young | George Keogh | Sixty-Something Man | 1 | 1 |
| Milo Cragnotti | Young Parker | Young Jack | 1 | 1 |
| Minerva García | NCIS Lawyer Taylor Hanna | Nurse Joan | 1 | 1 |
| Peter Bonilla | Edgar Bron | Writer | 1 | 1 |
| Phil Abrams | Hotel Manager | Dr. Weiss | 1 | 1 |
| René Ashton | Justine Wolfe | Mrs. Flaherty | 1 | 1 |
| Rob Mainord | Myron Holt | Pastor | 1 | 1 |
| Time Winters | Scholarly Man #2 | Dr. Patterson | 1 | 1 |
| Maurice Webster | Bartender | Charlie | 1 | 1 |
| Melody Butiu | Patricia Richert | Barbara | 1 | 1 |
| Mike Bradecich | Former NSA Analyst Adam Connors | Peter Katowski | 1 | 1 |
| Tarina Pouncy | Virginia State Police Cpt. Anne Crenshaw | William's Lover | 1 | 1 |
| Tripp Pickell | Petty Officer Pete Bidwell | Civil Affairs Marine | 1 | 1 |
| Christopher Guyton | Bouncer | Male Voter | 1 | 1 |
| Felice Heather Monteith | FBI Agent Samantha Morris | Woman Cousin | 1 | 1 |
| Stuart McLean | Malcolm Turro | Clyde | 1 | 1 |
| Gwen Holloway | A.A. Chairperson | Flight Attendant #2 | 1 | 1 |
| Kate Fuglei | Delores Bromstead | Mrs. Walsh | 1 | 1 |
| Bryan Marcos | Pilot #3 | Flight Attendant | 1 | 1 |
| Kim Estes | Minister | Marcus Duncan | 1 | 1 |
| Timothy Davis-Reed | Edison Rawls | Officiant | 1 | 1 |
| John Gloria | George Kaydar | Carl | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.