All 51 actors in both NCIS and Silicon Valley
51 actors have appeared in both NCIS and Silicon Valley, across 561 episodes. The most-credited is Bernard White, Afghani Ambassador Qasim Saydia in NCIS and Spiritual Advisor Denpok in Silicon Valley.
| Actor | In NCIS | In Silicon Valley | Eps | Eps |
|---|---|---|---|---|
| Bernard White | Afghani Ambassador Qasim Saydia | Spiritual Advisor Denpok | 1 | 14 |
| Sunkrish Bala | Sameer Aziz | Garrett | 1 | 4 |
| Rachel Rosenbloom | Frances Bates | Becky | 1 | 12 |
| Anna Khaja | ADA Eliza Hutchins | Rachel | 1 | 9 |
| Matt McCoy | Senator Thomas Bransfield | Pete Monahan | 1 | 4 |
| A.J. Tannen | Mossad Agent, Grant Lancaster | Jim | 3 | 1 |
| David Rees Snell | Morgan Hunt | Ross Loma Capital Executive | 1 | 3 |
| Krishna Smitha | Dr. Carrie Moran | Priyanka Singh | 1 | 5 |
| Ping Wu | Peter Liu | Henry | 1 | 9 |
| Gabriel Tigerman | Max Comey | Gary Irving | 1 | 4 |
| Tim Chiou | Petty Officer Kevin Lim | Ed Chen | 1 | 4 |
| Ian Alda | Luke Green | Marc | 1 | 5 |
| Todd Louiso | Lyle Waznicki | Ariel Eklow | 2 | 1 |
| Mark Bloom | Dr. Marley | Wood Opal Venture Capitalist | 1 | 3 |
| Patrick Fischler | George Stenner | Davis Bannerchek | 1 | 3 |
| Michael McMillian | David Kemmons | Aaron "Double A" Anderson | 1 | 2 |
| Ken Lerner | Albert Hencheck | Arthur | 1 | 2 |
| Casey Sander | Ed Gantry | Arnold Garris | 1 | 1 |
| Shannon McClung | Boltcutter | Keith | 1 | 3 |
| David Bickford | Catholic Priest | Vaughn | 1 | 2 |
| Amir M. Korangy | Professor Zahir Najjar | George Mandechian | 1 | 1 |
| Andrew Asper | Mitch Greyson | Young Associate | 1 | 1 |
| Jennifer Jalene | Major Diane Vicks | Recruiter | 1 | 1 |
| Teddy Lane, Jr. | Deputy Barney | Police Officer | 1 | 1 |
| Tony Winters | Admiral Gene Halverson | Mayor Wilkins | 1 | 1 |
| Alyson Reed | Monica Keogh | Real Estate Agent | 1 | 1 |
| Anthony Hill | Navy Petty Officer Third Class John Blaney "JB" Hicks | Douglas | 1 | 1 |
| David Fabrizio | Marine Col. Frederick Cooper | Police Officer | 1 | 1 |
| Bart McCarthy | Retired Marine Master Sergeant George Hawkins | Judge Underwood | 1 | 2 |
| Anjali Bhimani | Samantha Petrie | D.A. | 1 | 1 |
| David Pevsner | Driver | Ad Guy | 1 | 1 |
| Julia Cho | Ginger Uwanawich | Junie | 1 | 1 |
| Lyn Alicia Henderson | ER Nurse | Parking Coordinator | 1 | 1 |
| Treisa Gary | Hannah | Bernice | 1 | 1 |
| Will Radford | Dale Gruber | Clark | 1 | 1 |
| Hermie Castillo | Zeke | Jedd | 1 | 1 |
| Jeff Marlow | Survivalist Trainee #1 | Christoff | 1 | 1 |
| Jim Lau | Old Vendor | Delivery Guy | 1 | 1 |
| Bobak Bakhtiari | Aazar Atwa | Immedibug CEO | 1 | 1 |
| David L. King | Zullow Senior Vice President Lance Rama | Mr. Hubbard | 1 | 1 |
| Jeff Elam | Lead Detective | Tom | 1 | 1 |
| Chase Kim | SRT Sniper | VC Guy | 1 | 1 |
| Darius De La Cruz | El Doctor | Speaker | 1 | 1 |
| Jin Maley | NCIS Probationary Agent Anna Ventura | Gladys | 1 | 1 |
| Richard Wharton | Squeegee Man | Man in Pied Piper Ad #2 | 1 | 1 |
| Tarina Pouncy | Virginia State Police Cpt. Anne Crenshaw | Stephanie | 1 | 1 |
| Benny Briseño | Xander Price | Patron | 1 | 1 |
| Dante Swain | Navy Petty Officer Second Class Adam Meyers | Graphic Designer | 1 | 1 |
| James Babson | Mickey Clark | Instacart Guy | 1 | 1 |
| Judith Drake | Delores | Judy | 1 | 1 |
| Ivan Shaw | Victor Cheng | Ad Exec | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.