All 86 actors in both Nash Bridges and The X-Files
86 actors have appeared in both Nash Bridges and The X-Files, across 340 episodes. The most-credited is Caroline Lagerfelt, Inger Dominguez in Nash Bridges and Rustic Woman in The X-Files.
| Actor | In Nash Bridges | In The X-Files | Eps | Eps |
|---|---|---|---|---|
| Caroline Lagerfelt | Inger Dominguez | Rustic Woman | 29 | 1 |
| David Faustino | Denny, Simon | Michael Daley | 2 | 1 |
| John Finn | FBI Special Agent Elliot Rose | Michael Kritschgau | 1 | 5 |
| Michael Bailey Smith | Iron Mike Willis | Guard | 2 | 1 |
| Robert LaSardo | Baby Boy Doe, Doyle | Cissy Alvarez | 2 | 1 |
| Willie Garson | Leonard Voss | Henry Weems, Quinton 'Roach' Freely | 1 | 2 |
| Catherine Dent | Tara Browning | June Gurwitch | 1 | 1 |
| James Morrison | Pete Callen | Dr. Robert Wieder | 1 | 1 |
| James Remar | Mark Lee Page | Josef Kobold | 1 | 1 |
| John Hawkes | Vaughn | Phillip Padgett | 1 | 1 |
| Mark Pellegrino | Ferguson | Derwood Spinks | 1 | 1 |
| Martin Ferrero | Vincenzo "Vince" Diamond | Assassin | 1 | 1 |
| Michael Bowen | Axel Munson | Dwight Cooper | 1 | 1 |
| Stacy Haiduk | Pamela Smith | Maggie Waterston | 1 | 1 |
| Titus Welliver | Richard Drake | Doug Spinney | 1 | 1 |
| Xander Berkeley | Neil Wojak | Dr. Hodge | 1 | 1 |
| John Pyper-Ferguson | Kenny Carr, Zack Spears | Det. John Kresge, Paul | 2 | 3 |
| Pat Skipper | Lieutenant Darren Isley | Bill Scully Jr. | 1 | 4 |
| Dean Norris | Frank Madigan, William Robard | U.S. Marshal Tapia | 2 | 1 |
| Lisa Darr | Shelly | Jana Fain | 2 | 1 |
| Mark Rolston | Louis Jackson | Bud LaPierre, Richard Odin | 1 | 2 |
| Michael Massee | Gerard Marquette, Harley Corzine | Vernon Ephesian | 2 | 1 |
| Silas Weir Mitchell | Roy McNair | Dougie | 2 | 1 |
| Kirk B.R. Woller | Mike Hart | Agent Gene Crane | 1 | 5 |
| Bellamy Young | Diana Carr | Janet Wilson | 1 | 1 |
| Billy Drago | Lou Grissom | Mr. Peattie | 1 | 1 |
| Cliff DeYoung | Lieutenant Rueben Banks | Mr. Jay Nemman | 2 | 1 |
| David Purdham | Bayard Eldon Whitaker | Dr. Lev | 1 | 2 |
| George Gerdes | Douglas Bremer | Reverend Calvin Hartley | 1 | 1 |
| James Hong | Terrance "Terry" Wong | Hard-Faced Man | 1 | 1 |
| Jay Caputo | Nathan | Bat Man, Salamander Man | 1 | 2 |
| Joe Spano | FBI Special Agent Richard Langdon | Mike Millar | 1 | 2 |
| John Diehl | Albert Foss | Wilson "Pinker" Rawls | 1 | 1 |
| John Mese | Duane Fitts | Sheriff Phil Adderly | 1 | 1 |
| Judith Hoag | Dr. Gabrielle | Dr. Mindy Rinehart | 1 | 1 |
| Kari Whitman | Sydney Greer | Roxanne | 1 | 1 |
| Leon Russom | William Wheeton | Detective Miles | 1 | 2 |
| Ray McKinnon | Gary Graham | Mad Wayne | 1 | 1 |
| Tobin Bell | William Boyd | Daryl Weaver | 1 | 1 |
| Wade Williams | Edward Strode | Raymond Pearce | 1 | 1 |
| Warren Sweeney | Sidney Dunlop | Dr. Harriman | 1 | 3 |
| Scott Allan Campbell | Mills' Henchman | Jeff Smoodge | 1 | 2 |
| Tom Virtue | Dan Buelow, Victor Mott | Dave Kline | 2 | 1 |
| Danny Trejo | Sid Benedict | Cesar Ocampo | 1 | 1 |
| Dennis Boutsikaris | Robert Saxon | Dr. Peter Voss | 1 | 1 |
| François Chau | Albert Lee | Peter Wong | 1 | 1 |
| Kate McNeil | Rose Torry | Nan Wieder | 1 | 1 |
| M.C. Gainey | Neil Gallow | Bo Taylor | 1 | 1 |
| Mo Gallini | Tucker Kite | Hood | 1 | 1 |
| Romy Walthall | Yvonne Wexler | Agent #2 | 1 | 1 |
| Rueben Grundy | Paramedic, Reporter #2, Tommy | Forensic Tech | 3 | 1 |
| Conor O'Farrell | Tom Brooks | Sheriff Ciolino | 1 | 1 |
| Dana Gladstone | Grant | Dr. Landon Prince / Dale Gayhart / Harvey William Buchanon / Aaron Baker / James Dickens | 1 | 1 |
| David Wells | Norm Skogland | Mr. Babbitt | 1 | 1 |
| Dondre T. Whitfield | Jason | Agent | 1 | 1 |
| Grace Phillips | Laurie Billings | Betsy Monroe | 1 | 1 |
| John Apicella | Domenick Florentino | Greg Pincus | 1 | 1 |
| John Kapelos | Harry Grimes | Agent Fordyce | 1 | 1 |
| Jose Yenque | El Diablo | Soledad Buente | 1 | 1 |
| Katy Boyer | Jenny Martin | Dr. Lisa Holland | 1 | 1 |
| Lucy Liu | Joy Powell | Kim Hsin | 1 | 1 |
| O-Lan Jones | Alpha / Sarah Wayne Nations | Nurse Rebecca Waite | 1 | 1 |
| Richard Cox | Norman Craft | Daniel Brimley | 1 | 1 |
| Robert Joseph | Detective Louis Upshaw | Big Security Guard | 1 | 1 |
| Tony Longo | Blue Eye | Dominic | 1 | 1 |
| Wayne Duvall | FBI Agent Ferry | Agent Jerry Lamana | 1 | 1 |
| Randy Hall | Blocker, Lance, Roger Coniff | U-Haul Driver | 3 | 1 |
| J.C. Wendel | Robin | Agent Stonecypher | 1 | 1 |
| Morgan Weisser | John Temple | Lee Harvey Oswald | 1 | 1 |
| Rodney Eastman | Miles | Ronald Purnell | 1 | 1 |
| Vyto Ruginis | Bobby Coles | Lieutenant Bianco | 1 | 1 |
| Badja Djola | Jack Archer | Napoleon "Neech" Manley | 1 | 1 |
| Dennis Keiffer | John Getman | Bullethead #2 | 1 | 1 |
| Jack Shearer | Judge Renner | Judge Kinberg | 1 | 1 |
| Jordan Marder | Gary Glick | Creature | 1 | 1 |
| Michael Wiseman | David Pembrook | Dr. Rocky Bronzino | 1 | 1 |
| Nicholas Walker | Henri Armaud | Carl Wormus | 1 | 1 |
| Austin Tichenor | Ernest Partridge | Dr. James Langenhahn | 1 | 1 |
| James Parks | Butch | Agent Terry Sullivan | 1 | 1 |
| Marshall Manesh | Tomas | Mr. Jank | 1 | 1 |
| René Rivera | Rocco Valdez | First Officer | 1 | 1 |
| Scott Eberlein | Zimmer | Black Haired Man | 1 | 1 |
| Dylan Kussman | Marvin | Med Student | 1 | 1 |
| John Billingsley | Mitchell Holdsclaw | Timothy "Timmy the Geek" Landau | 1 | 1 |
| Dwight Hicks | Goetz's Attorney | Prison Armed Guard | 1 | 1 |
| Donald Fong | Mr. Fong | Vase Man | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.