All 59 actors in both NCIS: Hawaiʻi and NCIS: Los Angeles
59 actors have appeared in both NCIS: Hawaiʻi and NCIS: Los Angeles, across 377 episodes. The most-credited is Anthony Ruivivar, Daniel Tennant in NCIS: Hawaiʻi and Mark Ruiz in NCIS: Los Angeles.
| Actor | In NCIS: Hawaiʻi | In NCIS: Los Angeles | Eps | Eps |
|---|---|---|---|---|
| Anthony Ruivivar | Daniel Tennant | Mark Ruiz | 7 | 1 |
| Kurt Yaeger | Master Sergeant Strand | Sullivan | 1 | 5 |
| Linc Hand | Charlie 1 | LAPD Patrolman | 5 | 1 |
| Gary Cole | NCIS Special Agent Alden Parker | Special Agent Alden Parker | 3 | 1 |
| Jordan Belfi | Alan Shipley | Dennis Calder | 1 | 2 |
| David Meunier | Alexi Volkoff | Barris Stone | 3 | 1 |
| Eric Ladin | Ranger Bryson Stone | William Garrett | 1 | 1 |
| John Billingsley | Professor Woodrow Staggs | Doug Ouellet | 1 | 1 |
| Wilmer Valderrama | NCIS Special Agent Nicholas "Nick" Torres | Special Agent Nicholas "Nick" Torres | 2 | 1 |
| Anna Khaja | U.S. Marshal Marcia Adler | Talita Pambakian | 1 | 1 |
| Izabella Miko | Alina Nikitin | Michelle Boucher | 1 | 1 |
| Kim Hawthorne | Dr. Laura Frost | Dr. Diane Church | 1 | 1 |
| Ron Yuan | Big Luna | Yosh | 1 | 1 |
| Seamus Dever | Scott | Kapitan Alexi Gonchgarov | 1 | 1 |
| Stacey Hinnen | Bartender | Gary Madison | 1 | 1 |
| Stacie Greenwell | Ranger Jo Heath | Sonya Morales | 1 | 2 |
| Tobias Jelinek | Paolo Castile | Robert "Bobby" Griffin | 1 | 2 |
| Tom Schanley | Crazy Sam | Gabriel Stanfill | 1 | 1 |
| Elena Evangelo | Janice Motts | Elia Berkeley | 1 | 2 |
| Eugene Prokofiev | Walter Pimm | Oleg Barinov | 1 | 2 |
| Aaron Abrams | Chris Polis | Hector Lee | 1 | 1 |
| Lanny Joon | Lieutenant Adrian Park | Brian Cheng | 1 | 1 |
| Lydia Look | Andrea Pacheco | Mai Nguyen | 1 | 1 |
| Michael Weston | Herman Maxwell | LAPD Detective John Quinn | 1 | 1 |
| Nick Gracer | Trey Santos | Tagvor Covesian | 1 | 1 |
| Rob Benedict | Damian Davenport | Jarrod Prodeman | 1 | 1 |
| Tui Asau | Inu Koa | Prophet Mahee Mahee / Emmett Westerhouse | 1 | 1 |
| Dylan Kenin | Laird Harriman | Jax, Lincoln Stern | 1 | 2 |
| Ethan Rains | Dr. Adrian Dunne | Mack | 2 | 1 |
| Rachel Marsh | Dr. Analisa Cruz | Lily Chen | 2 | 1 |
| Daniel Blake | Gil Gant | Male Nurse | 2 | 2 |
| Andy Cohen | Ryan Barnett | Logan Gorman | 1 | 1 |
| April Parker Jones | Valerie Dalies | Susan Brosnan | 1 | 1 |
| Bruce Locke | Oda Sato | Takashi Shiro | 1 | 1 |
| Evan Gamble | Ethan Denton | Chad Parish | 1 | 1 |
| Jake Matthews | Aaron Patel | FBI Agent Jalil Nasri | 1 | 1 |
| James Ferris | Sean Clark | Delta Unit Leader | 1 | 1 |
| Jeanne Sakata | Vicky Ito | Martha De Leon | 1 | 1 |
| John Marshall Jones | George Conrad | CIA Officer Jonas Hunter | 1 | 1 |
| Presciliana Esparolini | Rebecca Hely | DCSA Agent Rosa Martinez | 1 | 1 |
| Chris McGarry | Hugh Lowry | William Bradford | 1 | 1 |
| Diana Lu | Alana Hale | Madee | 1 | 1 |
| Elise Robertson | Psychologist | Elmslie's Wife | 1 | 1 |
| Jason Manuel Olazábal | Jake Tillman | Craig Lennox | 1 | 1 |
| Jonathan R. Freeman | Clayton Hickey | Dante | 1 | 1 |
| Michael Broderick | Dr. Andrew Wilson | Cole Bingham | 1 | 1 |
| Napoleon Tavale | Thomas Priestley | Yakuza Goon #6 | 1 | 1 |
| Sonny Saito | Commander Tanaka | Hideo Sakuraba | 1 | 1 |
| Emanuel Borria | Marty Maldado | Gus Sternwig | 1 | 1 |
| Emerson Brooks | DEA Agent Jerry Covington | Marine Gunnery Sergeant Hugh Patterson | 1 | 1 |
| Maya Stojan | Morgan Miller | Morgan Miller | 1 | 1 |
| Annie Tedesco | Bartender | Nurse Sarah | 1 | 1 |
| Christopher Naoki Lee | Young Ito | Xionshou Song Thug | 1 | 1 |
| Deep Rai | Jack | Zahid | 1 | 1 |
| Jason Downs | Anton Breskov | Professor Ted Holmes | 1 | 1 |
| Mike Tarnofsky | Russ Novak | Navy Corrections Petty Officer | 1 | 1 |
| Sean Carrigan | Lieutenant Colonel Reed | Craig Mangold | 1 | 1 |
| Clark Freeman | Brent Spooner | DEA Agent | 1 | 1 |
| Martin Harris | Kommandant | Luka | 1 | 1 |
← NCIS: Hawaiʻi × NCIS: Los Angeles
Cast data from TVmaze, licensed CC BY-SA 4.0.