All 84 actors in both NCIS: Los Angeles and This Is Us
84 actors have appeared in both NCIS: Los Angeles and This Is Us, across 429 episodes. The most-credited is Gerald McRaney, Retired Navy Admiral Hollace Kilbride in NCIS: Los Angeles and Dr. Nathan "Dr. K" Katowski in This Is Us.
| Actor | In NCIS: Los Angeles | In This Is Us | Eps | Eps |
|---|---|---|---|---|
| Gerald McRaney | Retired Navy Admiral Hollace Kilbride | Dr. Nathan "Dr. K" Katowski | 11 | 8 |
| Richard Gant | Raymond Hanna | Albert Jones | 7 | 1 |
| Adam Bartley | Carl Brown | Duke | 4 | 3 |
| Wynn Everett | Ariel Drewett | Shelly | 1 | 5 |
| Laura Niemi | CIA Analyst Wendy Balian | Marilyn Pearson | 1 | 6 |
| Carl Lumbly | Navy Captain Charles Langston | Abe Clarke | 4 | 2 |
| Dan Lauria | James Cleary | Mr. Damon | 1 | 2 |
| Long Nguyen | Dang | Quan | 6 | 1 |
| Angela E. Gibbs | Ellen | Older Laurel | 1 | 1 |
| Galadriel Stineman | Jessica Moore | Donna | 1 | 1 |
| John Billingsley | Doug Ouellet | Bill Weston | 1 | 1 |
| Krishna Smitha | Natasha Graham | Mary | 1 | 1 |
| Michael O'Neill | Retired U.S. Army General Richard Collins | Arlo | 1 | 1 |
| Debra Jo Rupp | Ginger | Linda | 1 | 4 |
| Rebeka Montoya | Hostess | Julie | 1 | 2 |
| Brandon Scott | Marine LCPL. Alex Walder | Corey Lawrence | 1 | 3 |
| Tobias Jelinek | Robert "Bobby" Griffin | David Watkins | 2 | 2 |
| Abhi Sinha | Austin Chopra | Nasir Ahmed | 1 | 1 |
| Assaf Cohen | Tariq Barad Al-jabiri | Dr. David Monroe | 1 | 1 |
| Gary Kraus | Dean | Gus | 1 | 1 |
| Jason Sims-Prewitt | Earl Miller | Duncan | 1 | 1 |
| Kane Lieu | Trevor Young | Young Hai | 1 | 2 |
| Matt Riedy | Victor Potter | Coach Waltering | 1 | 1 |
| Rebecca Metz | Lady | Martina | 1 | 1 |
| Terryn Westbrook | Rebecca | Natasha, Ashley | 1 | 3 |
| Elena Evangelo | Elia Berkeley | Marguerite | 2 | 1 |
| Keith Powell | Robert Pierce | Dr. Vance | 1 | 2 |
| Sumalee Montano | Yen Tran | Dr. Gail Jasper | 1 | 2 |
| Tom Virtue | Dr. Hodge | Dr. Grader | 1 | 2 |
| Eli Bildner | Edgar Parsons | Ad | 1 | 1 |
| Josh Braaten | Adam | Steve Kolachek | 1 | 1 |
| Kiff VandenHeuvel | Carl | Young Dave Malone | 1 | 3 |
| Mark Jacobson | Colin | Terrance | 1 | 1 |
| Rey Gallegos | Head Gearhead | Alonso | 1 | 1 |
| Tom Yi | South Korean Fleet Commander BAI | Carl | 1 | 1 |
| Aaron D. Spears | FBI Special Agent Mark Monroe | Ray | 1 | 1 |
| Carlease Burke | Car Rental Shop Owner | Bernice | 1 | 1 |
| Kym Jackson | Maya Yerzov | Cocktail Waitress | 2 | 1 |
| Molly Hagan | Peggy Winant | Grace Pendergrass | 1 | 1 |
| Sam Anderson | Senator Dick Osborne | Judge Walter Crowder | 1 | 1 |
| Shaun Duke | Manager | Ray | 1 | 1 |
| Stephen A. Chang | FBI Special Agent Yim | Man | 1 | 1 |
| Tom Parker | Lucas Gardner | Madison's Father | 1 | 1 |
| Andrew Tinpo Lee | Ramon Santos/Amir Mattar | Dr. Lee | 1 | 1 |
| Bradley James | Nicholas Delamico | Lt. Watson | 1 | 1 |
| Dan Warner | Man with Hoodie/Brett Smith | Merrick | 1 | 1 |
| Janora McDuffie | Nurse Natasha | Librarian Mom | 1 | 1 |
| La Monde Byrd | Patrick Griffin | Congressman Andrew Reeves | 1 | 1 |
| Paul Zies | ATF Agent Richard Bower | Bartender | 1 | 1 |
| Phil Abrams | Ben Walker | Dr. Weiss | 1 | 1 |
| Shelley Robertson | Paula Lewis | Déjà's Father | 1 | 1 |
| Todd Aaron Brotze | Accountant | Waiter | 1 | 1 |
| Carl Chao | NCIS Special Agent Afloat Brian Lee | Doctor | 2 | 1 |
| Anthony Hill | Waiter / Jason | Marshall Winston | 1 | 1 |
| Brandon Morales | Guard | Co-Worker | 1 | 1 |
| Desiree Hall | Dr. Delia Richards | Brainy Woman | 1 | 1 |
| Eric Satterberg | Roger | Paul | 1 | 1 |
| Misha Gonz-Cirkl | Civilian Woman / Non-Combatant | Dr. Miranda Ruiz | 1 | 1 |
| Wayne Lopez | Construction Worker | Ned | 1 | 1 |
| Becky Wu | EMT Saito | Janice | 1 | 1 |
| Charles Kim | Myeong | New Owner | 1 | 1 |
| Jeffrey Muller | Mark Newton | Doctor | 1 | 1 |
| Minerva García | Doctor Soto | Nurse Joan | 1 | 1 |
| Thomas Anthony Jones | Security Guard | Kurt | 1 | 1 |
| Alejandro Barrios | Connor Murray | Slate Guy | 1 | 1 |
| David Grant Wright | Oliver Decker | Pritchard | 1 | 1 |
| Emily Morales-Cabrera | Assistant | Elyse | 1 | 1 |
| Erik Audé | Burly Surfer | Thug #1 | 1 | 1 |
| Tony Winters | Judge Malcolm Smith | Dr. Wilton | 1 | 1 |
| Craig Stepp | Kurt Hovorka | Pat | 1 | 1 |
| Dar Dixon | Phillip Robbins | Buchanan | 1 | 1 |
| Denell Johnson | Barista | Vendor | 1 | 1 |
| Melody Butiu | Evie | Barbara | 1 | 1 |
| Tony von Halle | Lincoln #1 | Driver | 1 | 1 |
| Nefetari Spencer | Boss | Nurse | 1 | 1 |
| Adam Roa | Paramedic #1 | Simon | 1 | 1 |
| Catherine Curry | Kid | Madison (14 y/o) | 1 | 1 |
| René Ashton | Judge | Mrs. Flaherty | 1 | 1 |
| Thomas Crawford | Jeffrey Kelly | Mr. Simons | 1 | 1 |
| Candace Hammer | Female Church Member | Teacher | 1 | 1 |
| Tripp Pickell | Male Agent #1 | Civil Affairs Marine | 1 | 1 |
| Anthony Ma | Young Worker | Andrew | 1 | 1 |
| Sergio Enrique | Sketchy Guy #1 | Hector | 1 | 1 |
| Stefanie Malouf | Bahrooz Ali | Randall's Assistant | 1 | 1 |
← NCIS: Los Angeles × This Is Us
Cast data from TVmaze, licensed CC BY-SA 4.0.