All 170 actors in both MacGyver and The X-Files
170 actors have appeared in both MacGyver and The X-Files, across 357 episodes. The most-credited is William B. Davis, Judge in MacGyver and Cigarette-Smoking Man in The X-Files.
| Actor | In MacGyver | In The X-Files | Eps | Eps |
|---|---|---|---|---|
| William B. Davis | Judge | Cigarette-Smoking Man | 1 | 44 |
| Bruce Harwood | Willis, Juice | John Fitzgerald Byers | 5 | 38 |
| Steven Williams | Charlie Robinson | Mr. X | 1 | 13 |
| Rebecca Toolan | Chairperson | Teena Mulder | 1 | 10 |
| Bill Dow | White Suited Man | Dr. Charles Burks, Dad, Dr. Rick Newton | 1 | 9 |
| William MacDonald | Paramedic | Agent Dan Kazanjian, Buddy Riggs, Dr. Oppenheim | 1 | 5 |
| Blu Mankuma | Lt. Rhome, Sheriff Max Hubbard | Claude Peterson, Det. Pennock | 3 | 2 |
| Don S. Davis | Cement Truck Driver, Wyatt Porter | Captain William Scully | 2 | 2 |
| Garry Chalk | Det. Sweeney, Sgt. Harold Gray, Tony Ellis | Mad Dog | 3 | 1 |
| Gregory Sierra | Captain Diaz, Colonel Antunnez, General Antonio Vasquez | Dr. Diamond | 3 | 1 |
| Henry Beckman | Judge Stawlings | Detective Frank Briggs, Fisherman | 1 | 3 |
| John Pyper-Ferguson | Scott Bartlett | Det. John Kresge, Paul | 1 | 3 |
| Timothy Webber | Joe Banniker | Detective Talbot, Dr. Paul Farraday, Jess Harold | 1 | 3 |
| Malcolm Stewart | Bill Marsh, Frank Skinner | Dr. Sacks, Agent Bonnecaze, Commander Carver | 2 | 5 |
| Morris Panych | Colonel Markov | Grey-Haired Man, Dr. Simon Auerbach | 1 | 6 |
| Alex Bruhanski | Sal | Angelo Pintero, Dr. Bugger | 1 | 2 |
| Allan Lysell | Dorman, Sheriff, Walker | Abe Gardner, Chief Rivers | 4 | 2 |
| Brenda Crichlow | Cooper, Hillary | Reporter | 2 | 1 |
| Colleen Winton | Natalia Velskaja | Lie Detector Technician, Therapist | 1 | 2 |
| Doug Abrahams | Robert Kelham | Agent #2, Detective Neary, Farbaugh | 1 | 5 |
| Floyd "Red Crow" Westerman | Two Eagles | Albert Hosteen | 1 | 5 |
| James Sloyan | George Fraley, Henry Coulter | Dr. Frank Nollette | 2 | 1 |
| William S. Taylor | Captain Frank Walker, Martin Farber | General Leitch | 2 | 1 |
| Robin Mossley | Wilt, Wilt Bozer, Alexander Shannon | Dr. Joe Ridley, Dr. Kingsley Looker, Dr. Vance Randolph | 8 | 3 |
| Barry Greene | Abe, Man at Prison, Ringe | Dr. Emile Linzer, Perkins | 3 | 2 |
| Frank C. Turner | Milt Bozer, News, Priest | Dr. Collins, Dr. Del Hakkie | 3 | 2 |
| James Hong | Commissioner Chu, Kuang, Lee Wenying | Hard-Faced Man | 4 | 1 |
| Kai Wulff | Hans Visser, Ladysmith, Nicolas Von Leer | Nazi #3 | 4 | 1 |
| Michael MacRae | Gant, Lardon, Paul Stams | August Bremer, Ranger Peter Brullet | 3 | 2 |
| Alan Robertson | David Russell, Knight | Dr. Carl Roosevelt, Grey-Haired Man | 2 | 2 |
| Dana Lee | Chanthara | Yee | 1 | 1 |
| Dirk Blocker | Chuck | Mayor Jim Gilmore | 1 | 1 |
| Geoffrey Lewis | David Crane | Alfred Fellig | 1 | 1 |
| Jack McGee | Joe Roswell | Bob Damphouse | 1 | 1 |
| Jackson Davies | Captain Mike Kiley, Detective Mike Kiley, Father Pat Lafferty | Agent Ruskin | 5 | 1 |
| Jay Brazeau | Air Force Colonel Phelps, Zamora | Dr. Daly, Professor Varnes | 2 | 2 |
| Katharine Isabelle | Violet | Lisa Baiocchi | 1 | 1 |
| Michael Fairman | General Relkwin | Jason Nichols | 1 | 1 |
| R. Nelson Brown | Kyle, Russell's Partner, Smiley | Ansel Bray | 3 | 1 |
| Sarah Koskoff | Veronica Dent | Theresa Nemman Hoese | 1 | 3 |
| Scott Bellis | Danny | Max Fenig | 1 | 3 |
| Forbes Angus | Surgeon | Funeral Director, Government Scientist, M.D. | 1 | 4 |
| Jerry Wasserman | Falco, Maddox, Nick Milani | Dr. John Grago, Dr. Plith | 3 | 2 |
| Larry Musser | John Wiley | Captain Jack Bonsaint, Denny Markham, Det. Manners | 1 | 4 |
| Michael Ensign | Professor Wycliff, Derek Thompson | Dr. Barnes | 3 | 2 |
| Mitchell Kosterman | Security Guard | Detective Horton, Fornier, Sheriff | 1 | 4 |
| Garry Davey | Building Inspector, Stevens | Bob Spitz, Captain, Dr. Keats | 2 | 4 |
| Michele Goodger | Joanna | Barbara Ausbury, Sister Abigail | 1 | 2 |
| Ramon Franco | Ramon, Spider | Nestor | 2 | 1 |
| Stephen E. Miller | Restaurant Owner | Coroner Truitt, Tactical Commander | 1 | 2 |
| Terry David Mulligan | Danny Barrett, Frank Rogan | Mission Controller #1 | 2 | 1 |
| Frank Ferrucci | Armin, Major, Tarik | Detective Nettles | 3 | 1 |
| Ken Camroux-Taylor | Brett Thompson, Jerry, Neil | Senior Agent #2 | 3 | 5 |
| Madison Mason | Dan Stringer, Matt Webber, Reese | Captain Yip Harburg | 3 | 1 |
| Merrilyn Gann | Gretta, Queen | Mrs. Asekoff, Prosecutor | 2 | 2 |
| Michael Ryan | Deegan, Ray Rigel | Agent Cameron Hill, Overcoat Man | 2 | 2 |
| Vladimir Kulich | Mammon, Hans Kreese | Olafsson | 3 | 1 |
| Zachary Ansley | Todd Fowler | Billy Miles | 1 | 5 |
| Charles André | Carmine, Delaney, Policeman #2 | Detainee, Ozzy "Banjo" Krager, Ray Floyd | 4 | 3 |
| Bill Croft | Donnelly, Max, Rote | Calusari #2, Comrade Svo | 4 | 2 |
| Denis Simpson | Ginko | Waiter | 1 | 1 |
| Don Thompson | Cutler, Myron | Henry Willig, Holtzman, Lieutenant Colonel Victor Stans | 2 | 3 |
| Michael Cavanaugh | Donahue | Sheriff Jack Withers | 1 | 1 |
| Michael Puttonen | Man #1 | Conductor, Dr. Pilsson, Martin Allpert | 1 | 4 |
| Paul Batten | Pettigrew, Clerk, Walter Reese | Brother Wilson, Dr. Seizer | 4 | 2 |
| Paul McLean | Security Guard | Agent Kautz, Coast Guard Officer, Dr. Josephs | 2 | 4 |
| Robert Ito | Peng Chow | Dr. Takeo Ishimaru / Shiro Zama | 1 | 2 |
| Steve Eastin | Tony | Sheriff Mazeroski | 1 | 1 |
| Walter Gotell | General Barenov, Starkoss | Victor Klemper | 2 | 1 |
| Wendie Malick | Cindy Finnegan | Assistant Director Maslin | 1 | 1 |
| Wendy Schaal | Karen Blake | Martha Crittendon | 1 | 1 |
| Campbell Lane | Brizard, Chief Cooke | Committee Chairman, Calusari #3, Hohman's Father | 2 | 4 |
| Paul Bittante | Police Officer, Guard, Security Cop | Local Cop, Lt. Reagan | 4 | 2 |
| Alvin Sanders | Charles, Djano, Ryan | Bus Driver, Deputy Wright | 3 | 2 |
| Lenno Britos | Leader | Hispanic Man aka Luis Cardinal | 1 | 4 |
| Walter Marsh | General Racoubian | Druggist, Judge, Pathologist | 2 | 3 |
| Leslie Carlson | Doctor, Sparky Greer | Dr. Spitz, Dr. Troisky | 2 | 2 |
| Suleka Mathew | Darlene | Agent Linda Caleca, Lisa Dole | 2 | 2 |
| Gordon Tootoosis | Perry, Phil Crow | Shaman | 2 | 1 |
| Kim Kondrashoff | Braddock, Yuri | Bobby Torrence | 2 | 1 |
| Lossen Chambers | Doreen, Ginny | Nurse Peggy Easton | 2 | 1 |
| Sheila Moore | Ellen MacGyver | Mrs. Dawson, Verla McLennen | 1 | 2 |
| Tom Heaton | Bill, Tyler | Groundskeeper | 2 | 1 |
| Deryl Hayes | Blake, Joe Cross | Agent Morris, Army Doctor, Webster | 2 | 3 |
| Don MacKay | Pilot | Charlie, Judge, Oates | 1 | 4 |
| Dwight McFee | Marty Ricco | Commander, David Gates, Detective Havez | 1 | 4 |
| George Josef | Karel, Policeman | Calusari #4, John Ramirez | 3 | 2 |
| F. William Parker | Stintson | Dr. Blankenship | 1 | 1 |
| Frederick Coffin | Karl | Section Chief Joseph McGrath | 1 | 1 |
| Jeff Kober | Matt Bell | Bear | 1 | 1 |
| Ken Kramer | Zito's Lawyer | Dr. Alexander Ivanov, Dr. Browning, Dr. Terrance Allen Berube | 1 | 3 |
| Randall "Tex" Cobb | Earthquake Toberman | Burt Zupanic | 1 | 1 |
| Richard Newman | Minister Amunde | Dr. Rumanovitch | 1 | 1 |
| Rochelle Greenwood | Amy Walker | Waitress | 1 | 1 |
| Tamsin Kelsey | Lulu | Ellen | 1 | 1 |
| Vincent Schiavelli | Lyle | Lanny | 1 | 1 |
| Al Ruscio | Paul Webber | Elder #4 | 1 | 2 |
| David Bloom | Gil Fletcher, Reynolds | Stress Man | 2 | 1 |
| Ken Kirzinger | Bodyguard, Creature | Richter | 2 | 1 |
| Mark Acheson | Kurush | Ted Bertram, Trucker | 1 | 2 |
| Martin Evans | Robert | Dr. Hartman, Major Domo | 1 | 2 |
| Matthew Walker | Emmenthaler | Arlinsky, Dr. Ronald Surnow | 1 | 2 |
| Howard Storey | Coach Grogan, George Kaplan, Travis | Fire Chief | 3 | 1 |
| J. Douglas Stewart | Ambulance Attendant, Orderly | Landlord, Male E.M.T. | 2 | 2 |
| Peter Hanlon | Bill Norton, Ken Jackson | Aide, Dr. Bailey | 2 | 2 |
| Alessandro Juliani | Julio | Joseph Cutler | 1 | 1 |
| Brent Chapman | German Border Guard | Security Cop, Traffic Cop | 1 | 2 |
| David Hay | March | Clean-Suited Man | 1 | 1 |
| Jenny Gago | Captain Santina | Dr. Katrina Cabrera | 1 | 1 |
| Joe Maffei | Customs Inspector | Guard #1, Motel Manager | 1 | 2 |
| John Mahon | Vendor | General Wegman | 1 | 2 |
| John Payne | David Edwards | Guard, Jerald Glazebrook | 1 | 2 |
| Judith Maxie | Woman | Barbara Taylor | 1 | 1 |
| Lee De Broux | Hatcher | Eddie Van Blundht Snr. | 1 | 1 |
| Marie Stillin | Rachel | Dr. Sally Sanford | 1 | 1 |
| Robert Metcalfe | Charles 'Chas' Gordon | Nurse | 1 | 1 |
| Simon Webb | Underwood | Dr. William Secare | 1 | 1 |
| Ted Cole | Geoffrey Kramer | 2nd Paramedic | 1 | 1 |
| Thomas F. Duffy | Corey | Officer Jeffrey Cahn | 1 | 1 |
| Tony Todd | Zimba | Augustus Cole | 1 | 1 |
| Wayne Duvall | Victor Nesbitt | Agent Jerry Lamana | 1 | 1 |
| Pat Bermel | Barnes, Marshal, Steve | Frank Ranford | 3 | 1 |
| Stephen Dimopoulos | Arcade Manager, Pilot | Detective, Ionesco | 2 | 2 |
| Dan Shea | Biker, Van Driver | Deputy | 2 | 1 |
| Gary Hetherington | Simms | Kennedy, Lewin | 1 | 2 |
| Robert Thurston | Gus | Dr. Larry Steen, Jackson Toews | 1 | 2 |
| Ron Halder | Auctioneer, Cop | Dr. Floyd Fazio | 2 | 1 |
| Terry Barclay | Luna, Simon | Officer Imhof | 2 | 1 |
| Bernie Coulson | Sean Ryder | Kenneth Soona aka The Thinker | 1 | 1 |
| Donald Gibb | Herman the German | Kip | 1 | 1 |
| Ed Hong-Louie | Driver | Money Man | 1 | 1 |
| French Tickner | Sheriff Bill Delaney | Preacher | 1 | 1 |
| Jennifer Griffin | Bartender | Dr. Miryum | 1 | 1 |
| Peter Williams | Moe | Jackson | 1 | 1 |
| Ron Gilbert | The Lieutenant | Sheriff #2 | 1 | 1 |
| Todd Jeffries | Det. Wyatt | Lead Agent Mayfield | 1 | 1 |
| Vic Polizos | Commandant | Agent Frank Burst | 1 | 1 |
| Johnny Cuthbert | Molenski | Commanding Officer, Tiernan | 1 | 2 |
| Laurie Murdoch | Father Jim | Coroner, Lydon | 1 | 2 |
| Michael Rogers | D.A. Howard | Crewman #1, Lt. Griffin | 1 | 2 |
| Sheila Paterson | Cleaning Lady | Anna Fugazzi, Gina Watkins | 1 | 2 |
| Danny Wattley | Sinclair | First Officer | 1 | 1 |
| Denalda Williams | Gertie | Madame Zirinka, Marilyn | 1 | 2 |
| Gene LeBell | Murph | Bartender | 1 | 1 |
| Janet Hodgkinson | Miss Hendrix | Waitress | 1 | 1 |
| Oliver Becker | Kurt | 2nd Doctor, Doctor #2 | 1 | 2 |
| Rob Morton | State Trooper | Kramer | 1 | 1 |
| Robert Rozen | Cabbie | Doctor, Dr. Alton Pugh | 1 | 2 |
| Terence Kelly | Brosz | George Usher | 1 | 1 |
| Janie Woods-Morris | Mrs. Wilson | Lorraine Kelleher, Ms. Lange | 1 | 2 |
| Duncan Fraser | Bauman | Beatty | 1 | 1 |
| François Chau | Chi | Peter Wong | 1 | 1 |
| Garrison Chrisjohn | Paul Landau | Dr. Winters | 1 | 1 |
| Glenn Williams | Guard | Officer | 1 | 1 |
| Kevin Conway | Wilson | Private Jack McAlpin | 1 | 1 |
| Nicholas Worth | Jack Rogan | Mr. Hass | 1 | 1 |
| Russell Ferrier | Neil | Medic | 1 | 1 |
| Tony Morelli | Security Man | Cop | 1 | 1 |
| Brian Knox McGugan | Skinhead | Officer #1 | 1 | 1 |
| Jason Schombing | Angel Royas | Warren James Dupre | 1 | 1 |
| Jaylene Hamilton | Marilyn Ross | Reporter | 1 | 1 |
| Mike Mitchell | Tony | Uniformed Cop #1 | 1 | 1 |
| Christine Anton | Sophie Milani | Teacher | 1 | 1 |
| Donna Carroll White | Meg | Therapist | 1 | 1 |
| Nicole Robert | Waitress | Mrs. Tynes | 1 | 1 |
| Russel Hamilton | Billy the Kid | Officer Daniels | 1 | 1 |
| Stephen M.D. Chang | Li Po | Large Man | 1 | 1 |
| Freda Perry | Dawn | Mrs. Wright | 1 | 1 |
| John Destry | Cardplayer | Mr. Ballard | 1 | 1 |
| Robert Luft | Punk #2 | Telemarketer | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.