All 50 actors in both NCIS: Los Angeles and Westworld
50 actors have appeared in both NCIS: Los Angeles and Westworld, across 359 episodes. The most-credited is Demetrius Grosse, Raymond Lewis in NCIS: Los Angeles and Deputy Foss in Westworld.
| Actor | In NCIS: Los Angeles | In Westworld | Eps | Eps |
|---|---|---|---|---|
| Demetrius Grosse | Raymond Lewis | Deputy Foss | 1 | 4 |
| Nick Massouh | Mazhar Tarik | Terence Danvers (Businessman) | 2 | 1 |
| Antonio Leon | Omar | Ronald | 1 | 1 |
| Brian Howe | Jack Caldwell | Sheriff Pickett | 1 | 3 |
| Eddie Shin | Matthew Ogilvie | Henry | 3 | 3 |
| Timothy V. Murphy | Isaak Sidorov | Coughlin | 4 | 2 |
| Manny Montana | Diego Salazar | Carver | 1 | 3 |
| Arturo Del Puerto | Manny | Hugo | 1 | 1 |
| Currie Graham | Roger Clark | Craig | 1 | 2 |
| Wiley Pickett | FBI Special Agent Fred Munger | Donald Pardue | 2 | 1 |
| Ward Roberts | Artem Fedor | New Walter | 2 | 3 |
| Greg Audino | Groom | Benson | 1 | 3 |
| J.B. Tadena | Diego Lacan | QA | 1 | 1 |
| Tait Fletcher | Rob Durant | Woodcutter | 1 | 1 |
| Travis Hammer | Perry Bellamy | Leering Guest | 1 | 1 |
| Dylan Kenin | Jax, Lincoln Stern | Wagon Driver | 2 | 1 |
| Alex Fernandez | Luis Perez | Mora | 1 | 1 |
| Jenson Cheng | Fake NCIS Special Agent Mark Chen | Liang | 1 | 1 |
| Patrick Gorman | Hans Schreiber | Eye Patch | 1 | 1 |
| Sherman Augustus | Michael Saleh | Marshal Pruitt | 1 | 1 |
| Olga Aguilar | Nanny | Lawrence's Wife | 1 | 3 |
| Bianca Lopez | EMT | Diagnostic Programmer | 2 | 1 |
| Dusty Sorg | Jerry J | Sketchy Guest | 1 | 1 |
| Al Coronel | Homeland Security Officer | President Adrian Filo | 1 | 1 |
| Lawrence Adimora | Mark Nichols | Second EMT | 1 | 1 |
| Michele Boyd | EMT | Temperance Armistice | 1 | 1 |
| Nathin Butler | Kodiak | Menacing Heavy | 1 | 1 |
| Scott Connors | NSA Agent | Bodyguard | 1 | 1 |
| Travis Johns | Nick Reed | Python Cowboy | 1 | 1 |
| Andre M. Johnson | Tanner | Officer | 1 | 1 |
| Austin Priester | Technician | Arroyo | 1 | 1 |
| Elizabeth Anweis | Casey Aquilar | The Mortician | 1 | 1 |
| Jeffrey Muller | Mark Newton | Man on Train | 1 | 1 |
| Regi Davis | Assistant Diplomat Ekedo | Father of Young Boy | 1 | 1 |
| Steven Allerick | Tom Rhee | Delos Guard | 1 | 1 |
| Terra Strong Lyons | Officer Julie Thompson | Mother | 1 | 1 |
| Bruno Gunn | Marine Major Orley | Walrus | 1 | 1 |
| Sean Freeland | Marco Madsen | Surly Host | 1 | 1 |
| Karan Oberoi | Fazan Kamsour | Mariposa Guest | 1 | 1 |
| Mayank Saxena | David Allen / Bryson Khan | QA Tech Futterman | 1 | 1 |
| Micky Shiloah | Resident | Bachelor | 1 | 1 |
| Albert Kong | Maze Cooper | QA Responder | 1 | 1 |
| Joshua Sawtell | Hamada Al-Aziz | Controller | 1 | 1 |
| Nanrisa Lee | Secret Service Agent Tina Park | Narrative Tech | 1 | 1 |
| René Ashton | Judge | Female Guest | 1 | 1 |
| Robert Mukes | Tiny | Behemoth | 1 | 1 |
| Troy Mittleider | Marine Gunnery Sergeant Connor Rutnam | QA Officer | 1 | 1 |
| Ricardo Walker | CHP Officer | QA Responder | 1 | 1 |
| Sonny Saito | Hideo Sakuraba | Emissary | 1 | 1 |
| Patrick Quinlan | Conrad Weaver | Passenger | 1 | 1 |
← NCIS: Los Angeles × Westworld
Cast data from TVmaze, licensed CC BY-SA 4.0.