All 160 actors in both NCIS: Los Angeles and Numb3rs
160 actors have appeared in both NCIS: Los Angeles and Numb3rs, across 441 episodes. The most-credited is Vyto Ruginis, Arkady Kolcheck in NCIS: Los Angeles and Mike Hiller in Numb3rs.
| Actor | In NCIS: Los Angeles | In Numb3rs | Eps | Eps |
|---|---|---|---|---|
| Vyto Ruginis | Arkady Kolcheck | Mike Hiller | 29 | 1 |
| Erik Palladino | Vostanik Sabatino | Captain Adams | 20 | 1 |
| Peter Cambor | Operational Psychologist Nate Getz | Logan Oliver | 17 | 1 |
| Barrett Foa | Tech Consultant Eric Beal | Andrew Gibbons | 11 | 1 |
| Jeff Kober | Harris Keane | Brady | 9 | 1 |
| Aunjanue Ellis | Michelle Hanna | Ivy Kirk | 7 | 1 |
| Brian Avers | Special Agent Mike Renko | Daniel Robertson | 5 | 1 |
| Max Martini | Arlo Turk | Agent Cooper | 5 | 1 |
| Andrew Leeds | NCIS Tech Operator John Booker | Daniel | 4 | 1 |
| Sophina Brown | Jennifer Grear | Nikki Betancourt, Bianca Styles | 1 | 4 |
| Carlos Sanz | DEA Agent Mario Sanchez | Detective | 3 | 1 |
| Jorge-Luis Pallo | Special Agent Salazar, Special Agent Bomb Tech Salazar | Ignacio Nadal | 3 | 1 |
| Andrea Roth | Grace Stevens | Alex Trowbridge | 1 | 1 |
| Anthony Ruivivar | Mark Ruiz | Agent Cordero | 1 | 1 |
| Christina Cox | Alison Conway | CHP Officer Morris | 1 | 1 |
| Gary Cole | Special Agent Alden Parker | Shepard Crater | 1 | 1 |
| John Heard | Special Congressional Investigator Michael Thomas | Peter Houseman | 3 | 1 |
| Marilu Henner | Elizabeth Kilbride | Regina Landers | 1 | 1 |
| Michael O'Neill | Retired U.S. Army General Richard Collins | Boyd Keene | 1 | 1 |
| Myk Watford | Navy Petty Officer William Moffat, Mike Hoffman | Alex Rezar | 3 | 1 |
| Raphael Sbarge | Leo Chadmont | Malcolm Galway | 1 | 1 |
| Rowena King | Dr. Camille Rivers | Elizabeth Hopkins | 1 | 1 |
| Tony Amendola | Adama Hijazi | Roman Markovius | 1 | 1 |
| Chris Bruno | Dominic Fryman | Tim King | 1 | 2 |
| David DeSantos | Anthony Beltran | Peter Guzman | 2 | 1 |
| James Remar | Admiral Sterling Bridges | Randall Priest | 3 | 1 |
| Allan Louis | Dan Williams | John Owens | 1 | 1 |
| Amy Sloan | Patricia Dunn | Kari Syles | 1 | 1 |
| Andy Mackenzie | Michael Wilson | Felix | 2 | 1 |
| Anna Khaja | Talita Pambakian | Saida Kafaji | 1 | 1 |
| Annie Campbell | Jenny Waincroft | Wendy | 1 | 1 |
| Arielle Vandenberg | Mara | Lorrelle | 1 | 1 |
| Brian Howe | Jack Caldwell | Robert Posdner | 1 | 1 |
| François Chau | Binh Tran | Kaj-Jan Chen | 1 | 1 |
| Gene Farber | Darius "Reznikov" Comescu, Darius Reznikov | Nadroj Ria | 2 | 1 |
| Gregg Henry | Alex Harris | Pete Fox | 1 | 1 |
| James Harvey Ward | Nave Lieutenant Commander Vic Stearnard | Joshua Quigley | 1 | 1 |
| Jayne Taini | Owner | Marion Crane | 1 | 1 |
| Jonathan Adams | Peter Caldwell | Clifford Hansen | 1 | 1 |
| Kristen Ariza | Jessica Peyton | Nurse | 1 | 1 |
| Lester Speight | Max "Champ" Champion | Kilo | 2 | 1 |
| Matt Biedel | Marine Staff Sergeant Edward Jones | FBI Instructor Paul | 1 | 1 |
| Stephanie Erb | Tranquility Villa Staff Member Psychologist Vicky Weber | Linda Samuelson | 1 | 1 |
| William Russ | Martin Lake | Michael Shannon | 1 | 1 |
| Alan Ruck | Donald Wexling | Arnold Winslow | 1 | 1 |
| Assaf Cohen | Tariq Barad Al-jabiri | Agent Kareem Allawi | 1 | 1 |
| Benito Martinez | Gonzalo Vargas | Arthur Ruiz | 1 | 1 |
| Connor Trinneer | NCIS Agent Boyle | Bob McHugh | 1 | 1 |
| Cynthia Addai Robinson | Female Flight Attendant | Trisha Moreno | 1 | 1 |
| Demetrius Grosse | Raymond Lewis | U.S. Marshal | 1 | 1 |
| Gonzalo Menendez | Jose Caro | Victor Morelos | 1 | 1 |
| Henri Lubatti | Safar Jaddalah | Garland St. Michael | 1 | 1 |
| Kelly Hu | Lee Wuan Kai | Alice Chen | 1 | 1 |
| Lesley Fera | USAMRIID Colonel Sandra Kaufman | ATF Agent Annie Wilson | 1 | 1 |
| Liane Balaban | Emma Mastin | Jessie Robertson | 1 | 1 |
| Michael Gaston | CIA Agent Doug Emmerich | Gil Fisher | 1 | 1 |
| Michael J. Harney | LAPD Detective Frank Scarli | U.S. Marshal | 1 | 1 |
| Mike Peebler | Security Officer | Douglas | 1 | 1 |
| Molly Hagan | Peggy Winant | Fingerprint Technician | 1 | 1 |
| Poorna Jagannathan | Dr. Nitya Agarwal | Tech #1 | 1 | 1 |
| Ravi Kapoor | General Omer Abidi | Phil Sanjrani | 1 | 1 |
| Rey Gallegos | Head Gearhead | Sonny Leyva | 1 | 1 |
| Steven Flynn | Arson Investigator Peter Hackett | Doug Windham | 1 | 1 |
| Teri Reeves | Antonia Prietto | Police Tech | 1 | 1 |
| Yancey Arias | Army CID Special Agent Rick Medina | D.J. Rodriguez | 1 | 1 |
| Dylan Kenin | Jax, Lincoln Stern | Roger Holstein | 2 | 1 |
| Gene Gabriel | Michael Connor | Bomb Squad Tech | 1 | 2 |
| Andrew Rothenberg | Teddy Morgan | Chaney | 1 | 1 |
| Brian George | Manager | Sanjay Ramanujan | 1 | 1 |
| Corey Sorenson | NCIS Special Agent David Prieto | Gregg Silver | 1 | 1 |
| David Dayan Fisher | Trent Kort | Michael Tolchuck | 1 | 1 |
| David Figlioli | Rondel Fryer | Kevin Merriman | 1 | 1 |
| Dean Chekvala | Ethan Harper, Ryan Long | Yuri Chernov | 2 | 1 |
| Dohn Norwood | Colonel Joaddan Salli | Captain Hazlett | 1 | 1 |
| Eltony Williams | Marine EOD Sergeant Revis | Supervising Banger | 1 | 1 |
| Gabriel Olds | Spencer Allen | Reed Parkman | 2 | 1 |
| Gary Perez | Miquel Barbosa | Hector Machado | 1 | 1 |
| Graham Shiels | Quinn | Fox Carter | 1 | 1 |
| Gregory Sims | Max Tyrus | Jim Wilson | 1 | 1 |
| Heather Mazur | Margaux West | Janet Eckworth | 1 | 1 |
| Jennifer Carta | Rachel Zahavi | Assistant | 1 | 1 |
| Jennifer Chang | Staffer | Janice Cho | 1 | 1 |
| Keone Young | Dae Ho | Walter Yoon | 1 | 1 |
| Lanny Joon | Brian Cheng | Colin Pang | 1 | 1 |
| Laura Kai Chen | Mandy Huang | Professor Rachel Osaki | 1 | 1 |
| Lynn Chen | Nurse Lisa | Bree Eng | 1 | 1 |
| Markus Flanagan | Professor Chapman | ATF Supervisor Eric Turner | 1 | 1 |
| Meera Simhan | Sahar Abidi | Asha Rafiq | 1 | 1 |
| Omar Leyva | Cashier | Valet | 1 | 1 |
| Philip Anthony-Rodriguez | CIA Officer Rafael Cortes | Marcus | 1 | 1 |
| Richard Cox | Dr. Roy Hale | Edward Barret | 1 | 1 |
| Rick Ravanello | Guard #1 | Teddy Antell | 1 | 1 |
| Rolando Boyce | Foreman | Paloma | 1 | 1 |
| Scott MacDonald | Rich Mayfield | Lt. Barry Burchfield | 1 | 1 |
| Vincent Laresca | Guillermo "Memo" Torres | Che Lobo | 1 | 1 |
| Wendy Gazelle | Gwendolyn Archer | Colleen McCrary | 1 | 1 |
| Adrian LaTourelle | Navy Chief Petty Officer Frank McEllon | Allen Kelly | 1 | 1 |
| Andy Umberger | Andrew Hughes | Frank Auster | 1 | 1 |
| Antonio D. Charity | W&P Worker | LAPD Rookie | 1 | 1 |
| Bernard White | Ben Darva | Frank Hagen | 1 | 1 |
| Braeden Marcott | Behnam Navid | Victor | 1 | 1 |
| Chris Butler | Navy Lieutenant Commander Dean Westerman | Cliff Howard | 1 | 1 |
| Craig Tsuyumine | Assistant | Reporter | 1 | 1 |
| Dave Florek | Frazier | Alex Evans | 1 | 1 |
| Gino Montesinos | Carlos Molina | James Shane | 1 | 1 |
| Gita Reddy | Charge Nurse | Tapti Ramanujan | 1 | 1 |
| Hector Hugo | Emilio Torres | Guard #1 (Arturo) | 1 | 1 |
| Jason Manuel Olazábal | Craig Lennox | Jimmy Lopez | 1 | 1 |
| Mustafa Shakir | Guard 1 | Crew Member #1 | 1 | 1 |
| Nicole Dalton | Gloria | Polly Turnage | 1 | 1 |
| Ray Proscia | Mr. Bulkin | Condor | 1 | 1 |
| Rey Valentin | Eddie Martinez | ND Swat | 1 | 1 |
| Scott MacArthur | Neil Barlow | Bidder Wearing Glasses | 1 | 1 |
| Shannon Cochran | Dr. Susan Rathburn | Doctor Iverson | 1 | 1 |
| William Shockley | Rand Palmer | Vincent Kagan | 1 | 1 |
| Alyson Reed | Battalion Chief Jefferson | Eva Salton | 1 | 1 |
| Bellina Logan | Nurse #1 | Lawyer | 1 | 1 |
| Ben Cain | Homeland Security Captain Kane | LAPD Cop | 1 | 1 |
| Benny Nieves | Consul General Enzo Souza | Hector Campos | 1 | 1 |
| Brent Briscoe | Motel Manager | Guard | 1 | 1 |
| Chris Gann | U.S. Marshal Anthony Howard | Lex | 1 | 1 |
| Chris McGarry | William Bradford | Jack Shuler | 1 | 1 |
| Emiliano Torres | Morgue Tech 2 | Masked Man #1 | 1 | 1 |
| Frank Maharajh | FBI Agent #2 | Kapil | 1 | 1 |
| Gregory Scott Cummins | Rick Pargo | Bounty Hunter #1 | 1 | 1 |
| Jennifer Jean Snyder | Sporty Woman | Michelle Collins | 1 | 1 |
| Jon Curry | LAPD Detective Andy Price | Detective | 1 | 1 |
| Kurt Caceres | Esposito | Agent Romero | 1 | 1 |
| Lois Mathilda Atkins | Larissa Bay | Janine Parr | 1 | 1 |
| Mark Espinoza | Detective Lopez | Frank Lopez | 1 | 1 |
| Owiso Odera | Diplomat Leonard Atugu | Tate Gilliam | 1 | 1 |
| Ramona DuBarry | Monica Tavares | Bidder | 1 | 1 |
| Takayo Fischer | Martha Adams | Bai Lan Zhou | 1 | 1 |
| Adam Dunnells | Muscle | Rafe Lanksy | 1 | 1 |
| Ajay Mehta | Ibrahim Alvi | "Y-DS" Manager | 1 | 1 |
| Austin Priester | Technician | Anton Rhimes | 1 | 1 |
| Fay Wolf | Delores | Kyono | 1 | 1 |
| George Ketsios | Shooter | Victim #5 | 1 | 1 |
| James Martin Kelly | Seth Wilcox | Nevelson | 1 | 1 |
| Jonno Roberts | CIA Analyst Robert Lester | Russian Hacker | 1 | 1 |
| Minerva García | Doctor Soto | Clerk #2 | 1 | 1 |
| Nikki Crawford | Navy Captain Emily Carnes | ER Doctor | 1 | 1 |
| Paul Cassell | Paul Marin | Daniel Piermint | 1 | 1 |
| Tyler Francavilla | Steve Downey | Tyson | 1 | 1 |
| William O'Leary | Harry Zanetti | Roland Haldane | 1 | 1 |
| A.K. Murtadha | Militia | Kevin | 1 | 1 |
| David Grant Wright | Oliver Decker | Detective | 1 | 1 |
| George Gerdes | Floyd Hobbs | Rail Cop Captain | 1 | 1 |
| Ian Stanley | LAPD Officer McNeil | Hayes | 1 | 1 |
| James Shanklin | Secretary of Defense Curtis Oleksiuk | Physicist | 1 | 1 |
| John Lacy | Security Chief Oaks | Police Detective | 1 | 1 |
| Nick Jaine | Café Owner | Benjamin Rajar | 1 | 1 |
| Saul Huezo | P/A | Marine | 1 | 1 |
| Taso Papadakis | Guard | Warren Wells | 1 | 1 |
| Emerson Brooks | Marine Gunnery Sergeant Hugh Patterson | Cop | 1 | 1 |
| Kevin Fry | King | McDowd | 1 | 1 |
| Ken Medlock | Volunteer | Ref | 1 | 1 |
| Larry Herron | DEA Agent David Ramirez | Technician | 1 | 1 |
| Ka'Ramuu Kush | Navy Petty Officer Second Class Rafael Torres | Lamont | 1 | 1 |
| Devon Michaels | Assistant Shawn Wilson | Brian Malone | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.