All 118 actors in both NCIS: Los Angeles and Station 19
118 actors have appeared in both NCIS: Los Angeles and Station 19, across 428 episodes. The most-credited is Lachlan Buchanan, Brett in NCIS: Los Angeles and Emmett Dixon in Station 19.
| Actor | In NCIS: Los Angeles | In Station 19 | Eps | Eps |
|---|---|---|---|---|
| Lachlan Buchanan | Brett | Emmett Dixon | 1 | 30 |
| Jayne Taini | Owner | Marsha Smith | 1 | 15 |
| Merle Dandridge | CIA Officer Nicole Borders | Fire Chief Natasha Ross | 1 | 9 |
| Sterling Sulieman | Gunnery Sergeant Edward Tyler | Grant | 1 | 9 |
| Tracie Thoms | Marine Lieutenant Colonel Lucilla Castro | Dr. Diane Lewis | 1 | 9 |
| Emerson Brooks | Marine Gunnery Sergeant Hugh Patterson | Robel Osman | 1 | 7 |
| Jake Borelli | Stefan Maragos | Dr. Levi Schmitt | 1 | 6 |
| Kurt Yaeger | Sullivan | Carl Swaminathan | 5 | 1 |
| Carlos Sanz | DEA Agent Mario Sanchez | Julio | 3 | 1 |
| Chelsea Harris | Eloni | Nikki | 1 | 3 |
| Jorge-Luis Pallo | Special Agent Salazar, Special Agent Bomb Tech Salazar | Beto | 3 | 1 |
| Sarayu Blue | Dr. Susan DePaul | Audrey | 3 | 1 |
| Eric Allan Kramer | Homeland Security Special Agent Tom Panetti | Randall | 2 | 1 |
| Kim Raver | NCIS Special Agent Paris Summerskill | Dr. Teddy Altman | 2 | 4 |
| Robert Curtis Brown | Air Force OSI Executive Director David Cole | Paul Montgomery | 1 | 8 |
| Zach Villa | Javier Ramos | Charlie | 1 | 2 |
| Ronald Auguste | Mowadh "Moe" Dusa | Gavin | 4 | 1 |
| Angela E. Gibbs | Ellen | Ms. Debbie | 1 | 1 |
| Antonio Leon | Omar | Eduardo | 1 | 1 |
| Azie Tesfai | King | Eliza Meacham | 2 | 2 |
| Dan Lauria | James Cleary | Walter | 1 | 1 |
| Jeanne Sakata | Martha De Leon | Nari Montgomery | 1 | 7 |
| John Billingsley | Doug Ouellet | Lloyd | 1 | 1 |
| Patricia De León | Ellie Martinez | Elena Herrera | 1 | 5 |
| Drew Rausch | Navy Petty Officer Matt Driscoll | John Finch | 1 | 4 |
| Ritesh Rajan | Deputy Crown Prince Kamal | Clarke Wright | 2 | 3 |
| Bre Blair | FBI Agent Carla Mitzer | Jennifer Ripley | 1 | 2 |
| Spencer Garrett | Peter Clairmont | James Beckett | 2 | 1 |
| Beckett Gunderson | Young Callen | Trevor | 4 | 1 |
| Anne Gee Byrd | Dr. Evelyn Bernhard | Neighbor | 1 | 1 |
| Anthony Hill | Waiter / Jason | Dr. Winston Ndugu, Neil | 1 | 2 |
| Brad Beyer | LAPD Detective Jeff Versey | Cole Edmonds | 1 | 1 |
| Ethan Rains | Mack | Jonathan Bright | 1 | 1 |
| Francis Capra | Salazar | Neighbor | 2 | 1 |
| Hector Luis Bustamante | Detective Sanchez | Jimmy | 1 | 1 |
| Jennifer Jalene | LAPD Detective Lisa Mayne | Luisa Berrol | 1 | 3 |
| Michael B. Silver | Damon Westphal | Parker Lowther | 1 | 1 |
| Nancy Linehan Charles | Jessica Haymes | Shirley | 1 | 1 |
| Patrick Gallagher | Don The Security Guard | Keller | 1 | 1 |
| Rebecca Field | Ginny | Hannah Sherwood | 1 | 1 |
| Sprague Grayden | Olivia Baird | Mary | 2 | 1 |
| Svetlana Efremova | Vladlena Sokolov | Lenya Hughes | 2 | 2 |
| Troy Winbush | George Toretto | Clark | 1 | 1 |
| Adam J. Harrington | Robert Bryant | Lane Bishop | 1 | 3 |
| Anjali Bhimani | Mira Yacoob | Dr. Mukerji | 1 | 1 |
| Benito Martinez | Gonzalo Vargas | Chief Gonzalez | 1 | 1 |
| Chris Brochu | Navy Petty Officer Simon Allen | Brenton | 1 | 1 |
| Danny Brown | Navy Air Intercept Controller Heather Greene | Stella | 1 | 1 |
| David Barrera | Captain Vargas | Kenneth | 1 | 1 |
| Ellen Wroe | Tiffany Miller | Officer Elle Kingsley | 1 | 1 |
| Jim Hanna | Motel Owner | Steve | 1 | 1 |
| Joe Nieves | FBI Special Agent Brad Reese | Incident Commander Nalley | 1 | 1 |
| Johnny Lee | Young Callen | Mason Bishop | 1 | 1 |
| Phoebe Neidhardt | Young Female Assitant | Piper | 1 | 1 |
| Sam Anderson | Senator Dick Osborne | Elliot | 1 | 1 |
| Matthew Downs | Rocky | Officer Reaser | 1 | 2 |
| Stacie Greenwell | Sonya Morales | Delilah Tillerman | 2 | 1 |
| Andrew Borba | Arthur Janson | Officer Smith | 1 | 1 |
| Ann Hu | Jun Chen | Lisa | 1 | 1 |
| Carlos Arellano | Diego Molina | Clay | 1 | 1 |
| Darri Ingolfsson | Dr. Nolan Milhouse | Matthew | 1 | 1 |
| Dohn Norwood | Colonel Joaddan Salli | Captain Ted Conlin | 1 | 1 |
| Earnestine Phillips | Woman | Diane | 1 | 1 |
| Hina Khan | Monica Kendricks | Sarla | 1 | 1 |
| Jonathan Kells Phillips | Rupert Richardson | Cyclist | 1 | 1 |
| Josh Kelly | Navy Petty Officer Mostel Renney | Kyle Rexton | 1 | 1 |
| Lanny Joon | Brian Cheng | Justin Park | 1 | 1 |
| Lauren Bowles | Gaia | Lesley | 1 | 1 |
| Lenny Jacobson | Mike Hobbs | Jeff | 1 | 1 |
| Mac Brandt | Mick Benelli | Agent Baxter | 1 | 1 |
| Meredith Scott Lynn | Abigail Johns | Hattie | 1 | 1 |
| Nitya Vidyasagar | Nathasa Ali | Tabitha Salzman | 1 | 1 |
| Onahoua Rodriguez | Claudia Taro | Mari | 1 | 1 |
| Phillip Garcia | Miguel Vela | Nate | 1 | 1 |
| Ramón de Ocampo | Bevan Tao | Jaime | 1 | 1 |
| Brian Letscher | Marine CPL Scott Reilly | Agent Prine | 1 | 1 |
| Dave Florek | Frazier | Vince Beckett | 1 | 1 |
| June Carryl | Beth Kelley | Jack's Therapist | 1 | 1 |
| Kira Sternbach | Lisa | Lucy | 1 | 1 |
| Linara Washington | Nurse Constance Harper | Mary | 1 | 1 |
| Matthew Haddad | Chief Investigator Ava Wallace | Popcorn Passerby | 1 | 1 |
| Michael Bow | Sean Baker | Tyler | 1 | 1 |
| Robert Gant | Ron Lewis | Matt | 1 | 1 |
| Simon Kim | Seok Nahng | Enzo Lim | 1 | 1 |
| Sophina Brown | Jennifer Grear | Joyce | 1 | 1 |
| Tara Robinson | Amanda Delgado | Ruby | 1 | 1 |
| Alyshia Ochse | Mandy | Leigh | 1 | 1 |
| Alyson Reed | Battalion Chief Jefferson | Virginia | 1 | 1 |
| Annie Tedesco | Nurse Sarah | Carla | 1 | 1 |
| Bob Glouberman | Doctor Lance Tannen | James Pope | 1 | 1 |
| Debbie Fan | Navy Lieutenant Commander Natalie Chan | Meeting Leader | 1 | 1 |
| Jon Curry | LAPD Detective Andy Price | Reese | 1 | 1 |
| Kristen Henry King | Mindy | Sasha Bennett | 1 | 2 |
| Matthew Jones | Cop | Proctor | 1 | 1 |
| Roy Vongtama | Lance Witten | Nurse John | 1 | 1 |
| Stephen Hailo | Masked Gunman | Omar | 1 | 1 |
| Alex Blue Davis | Michael | Dr. Casey Parker | 1 | 1 |
| Amber Friendly | Navy Lieutenant Commander Brittany Gomez | Elaine | 1 | 1 |
| Brett Gipson | Bodyguard | Chuck | 1 | 1 |
| Emanuel Borria | Gus Sternwig | William | 1 | 1 |
| Gustavo Escobar | Mexican Boy / Samuel | Will | 1 | 1 |
| Ian Stanley | LAPD Officer McNeil | Officer Anderson | 1 | 1 |
| Jake Jacobson | Devon Walker | Businessman | 1 | 1 |
| Rene Moran | Calvin Sims | Ricky | 1 | 1 |
| Rob Evors | Jim Rivers | Officer Williams | 1 | 1 |
| Ryan Salazar | Protest Speaker | Drew | 1 | 1 |
| Sir Brodie | SFPD Officer Henry Looper | Big Guy | 1 | 1 |
| Steven Allerick | Tom Rhee | Marco | 1 | 1 |
| Zach Tinker | Tyler | Greg | 1 | 1 |
| Joe Corzo | Michael Duncan | Greene | 1 | 1 |
| John Eddins | Man | Station 23 | 1 | 1 |
| Max Phyo | Jong Rhee | Chief Sato | 1 | 1 |
| Tyler Capri Clark | Molly | Polished Date | 1 | 1 |
| Al Carabello | Bill | Greg | 1 | 1 |
| Ron Roggé | Bartender | Dad | 1 | 1 |
| Sylvia Kwan | Young Woman | Dr. Mabel Tseng | 1 | 1 |
| Anton Narinskiy | Neil Lott | Scott | 1 | 1 |
| Nanrisa Lee | Secret Service Agent Tina Park | Eleanor | 1 | 1 |
← NCIS: Los Angeles × Station 19
Cast data from TVmaze, licensed CC BY-SA 4.0.