All 165 actors in both Psych and The X-Files
165 actors have appeared in both Psych and The X-Files, across 337 episodes. The most-credited is Bruce Harwood, Health Inspector in Psych and John Fitzgerald Byers in The X-Files.
| Actor | In Psych | In The X-Files | Eps | Eps |
|---|---|---|---|---|
| Bruce Harwood | Health Inspector | John Fitzgerald Byers | 1 | 38 |
| Brendan Beiser | Color Commentator | Agent Sean Pendrell | 1 | 10 |
| Cary Elwes | Pierre Despereaux | Assistant Director Brad Follmer | 4 | 6 |
| Malcolm Stewart | Ted Archibald | Dr. Sacks, Agent Bonnecaze, Commander Carver | 1 | 5 |
| William MacDonald | Phil | Agent Dan Kazanjian, Buddy Riggs, Dr. Oppenheim | 1 | 5 |
| Karin Konoval | Pamela | Little Chucky Poundstone, Little Judy Poundstone, Madame Zelma | 1 | 3 |
| Alex Bruhanski | Spellmaster Cavanaugh | Angelo Pintero, Dr. Bugger | 1 | 2 |
| Brent Sexton | County Sheriff Becker | Gravedigger, Steven Melnick | 1 | 2 |
| Donnelly Rhodes | Judge Horace Leland | General Francis, Jim Parker | 1 | 2 |
| Fiona Vroom | Samantha | Barbara Beaumont / Sitcom Barbara, Young Cassandra | 1 | 2 |
| Jolie Jenkins | Sandra Panitch | Agent Leyla Harrison | 1 | 2 |
| Katharine Isabelle | Priscilla Morgenstern, Sigrid | Lisa Baiocchi | 2 | 1 |
| Tim Henry | Farmer Walker | Federal Marshall, Plain-Clothed Man | 1 | 2 |
| Don Thompson | Phil Shershow | Henry Willig, Holtzman, Lieutenant Colonel Victor Stans | 1 | 3 |
| Eric Keenleyside | Steve Hitchcock | Lance Kernof | 1 | 1 |
| Jane Lynch | Commander Barbara Dunlap | Anne Lokensgard | 1 | 1 |
| Jere Burns | Derek Ford | Dr. Randolph Luvenis | 1 | 1 |
| John Hawkes | Rollins | Phillip Padgett | 1 | 1 |
| Kevin McNulty | Chad Wiswall | Agent Fuller, Dr. Christopher Davey | 1 | 3 |
| Ryan Robbins | Vernon Stallings | Murphy | 1 | 1 |
| Scott Bellis | Doctor | Max Fenig | 1 | 3 |
| Steve Bacic | David Wilcroft | Agent Collins, Officer #2, S.W.A.T. Commander | 1 | 3 |
| Teryl Rothery | Glenda | Nurse Michelle Charters | 1 | 1 |
| W. Earl Brown | Dwayne Tancana | Robert M. Fassl | 1 | 1 |
| Peter Kelamis | Dr. Metz, Principal Petlic, Prosecutor #1 | Assistant D.A. Daniel Costa, Husband #2, Lieutenant Foyle | 3 | 4 |
| Christine Willes | Ms. Foote | Agent Karen Kossef, Sister Mary | 1 | 4 |
| Brian Markinson | Hiltz Kooler | Gary Lambert, Tony Fiore | 1 | 2 |
| Don S. Davis | Camden McCallum Sr. | Captain William Scully | 1 | 2 |
| Ed Lauter | Deputy Commissioner Ed Dykstra | Colonel Marcus Aurelius Belt | 2 | 1 |
| John Kapelos | Tom Swagerty | Agent Fordyce | 2 | 1 |
| Sarah Jane Redmond | Rosie Polk | Karin Matthews, Young Mother | 1 | 2 |
| Viv Leacock | Police Officer | Price | 5 | 1 |
| William Devane | Don Peters | General Mark A. Suveg | 1 | 2 |
| Ben Cotton | Barlow, Chance Cade | Mr. Paulsen | 2 | 2 |
| Colin Cunningham | Marvin | Dr. Henry Stroman, Escalante, Lt. Terry Wilmer | 1 | 3 |
| Guyle Fraizer | Officer Fraizer | Barney, Officer | 2 | 2 |
| Chilton Crane | Mrs. Ryan | Sharon Graffia, Margaret Hohman, Mother at Bus Station | 1 | 4 |
| Forbes Angus | Officer #2 | Funeral Director, Government Scientist, M.D. | 1 | 4 |
| Doug Abrahams | Range Master | Agent #2, Detective Neary, Farbaugh | 1 | 5 |
| Amanda Pays | Susan B | Inspector Phoebe Green | 1 | 1 |
| Bruce Campbell | Dr. Ashford N. Simpson | Wayne Weinsider | 1 | 1 |
| Gabrielle Rose | Ruth Blake | Dr. Zenzola, Mrs. Anita Budahas | 1 | 2 |
| Jennifer Clement | Mrs. Wagner | Michele Wilkes | 1 | 1 |
| Jim Beaver | Stinky Pete Dillingham | Coroner | 1 | 1 |
| John DeSantis | Seven Foot Tall Man | Band-Aid Nose Man | 1 | 1 |
| Ken Camroux-Taylor | Doctor | Senior Agent #2 | 1 | 5 |
| Kurtwood Smith | Brett Connors | Agent Bill Patterson | 1 | 1 |
| Michael Puttonen | Sergei Czarsky | Conductor, Dr. Pilsson, Martin Allpert | 1 | 4 |
| Nora Dunn | Eve Asher | Joanne Fletcher | 1 | 2 |
| Sebastian Spence | Mayor Gavin Channing | Deputy Barney Paster | 1 | 1 |
| Thomas Kopache | Leonard Sirtis | General Thomas Callahan | 1 | 1 |
| Ty Olsson | Manetti | Younger Orderly | 1 | 1 |
| Brent Stait | Randy | Timothy Mayhew, Corp. Taylor | 1 | 3 |
| BJ Harrison | Bea Gamble | Clerk, Hannah | 1 | 2 |
| Gardiner Millar | Ranger De Soto | Eugene Baiocchi, Man in Suit | 1 | 2 |
| Ken Kirzinger | Bartender, Bob | Richter | 2 | 1 |
| Ken Tremblett | Mr. Latrek | Dyer, Uniformed Officer | 1 | 2 |
| Zak Santiago | Manny | Mr. Green | 1 | 2 |
| Steve Makaj | Safety Inspector Butch Hicks | Scott Ostelhoff, Frank Kiveat, Patrolman | 1 | 4 |
| Anthony Harrison | Patrolman, Professor | 4th Man, Agent Riggins | 2 | 2 |
| Ben Wilkinson | Vance McMillan | Dean Cavalier | 1 | 1 |
| Beverley Elliott | Doris | Raven | 1 | 1 |
| Brad Dourif | Bernie Bethel | Luther Lee Boggs | 1 | 1 |
| Candus Churchill | Lady | Shirley | 1 | 1 |
| Chris Shields | Minister | Detective Dross | 1 | 1 |
| Dmitry Chepovetsky | James | Government Man #1, Lt. Richard Harper, Supervisor | 1 | 3 |
| Jamie McShane | Roger | Injured Soldier | 1 | 1 |
| Jerry Wasserman | Jack Atwater | Dr. John Grago, Dr. Plith | 2 | 2 |
| Jon Gries | Strabinsky | Salvatore Matola | 1 | 1 |
| Ken Kramer | Buddy | Dr. Alexander Ivanov, Dr. Browning, Dr. Terrance Allen Berube | 1 | 3 |
| Rob LaBelle | Frank Holloway | Brad Wilczek | 1 | 1 |
| Robyn Lively | Michelle Barker | Angela Schiff | 1 | 1 |
| Sharon Taylor | Jasmine Richards | Diana Eggers | 1 | 1 |
| Allan Lysell | Headmaster | Abe Gardner, Chief Rivers | 1 | 2 |
| Lynda Boyd | Miss Annie | Bar Patron, Elizabeth | 1 | 2 |
| Patricia Idlette | Desk Sergeant Martha Allen | Desk Clerk | 2 | 1 |
| Robert Thurston | Coroner | Dr. Larry Steen, Jackson Toews | 1 | 2 |
| Tom Butler | Attorney General Maxwell | Benjamin Drake, CIA Agent Ambrose Chapel | 1 | 2 |
| Brent Chapman | Crock Daniels | Security Cop, Traffic Cop | 1 | 2 |
| C. Ernst Harth | Security Guard | Huge Man | 1 | 1 |
| David Bloom | Nathaniel Gresling | Stress Man | 1 | 1 |
| Ellie Harvie | Lorraine | OPO Staffer | 1 | 1 |
| Fred Henderson | Flying Instructor | Agent Rich, Agent Thomas | 1 | 2 |
| Gerard Plunkett | Dr. Abel Elliot | Dr. Calderon | 1 | 2 |
| Gordon Tipple | Jim | Assistant Manager, Detective, Joe Crandall | 1 | 3 |
| Ian Robison | Bodyguard | Detective Smith, Ranger | 1 | 2 |
| Jase Anthony Griffith | Butcher, Frank | Paramedic #1 | 2 | 1 |
| Jo Bates | Lorraine Dunn | Jeraldine Kallenchuk | 1 | 1 |
| Mark Acheson | Suspect | Ted Bertram, Trucker | 1 | 2 |
| P. Lynn Johnson | Mrs. McCallum | Deborah Brown, Dr. Sheila Braun, Health Department Doctor | 1 | 3 |
| Rick Dobran | Mechanic | Sergeant Armando Gonzales | 1 | 2 |
| Tony Todd | Detective Moses Johnson | Augustus Cole | 1 | 1 |
| Barry W. Levy | Doug Devette | Vitagliano, Navy Doctor | 1 | 3 |
| Bill Mackenzie | Solicitor | Bus Driver | 1 | 2 |
| David Kaye | Narrator | Reporter, The Doctor | 1 | 2 |
| J. Douglas Stewart | Jeffrey Duke | Landlord, Male E.M.T. | 1 | 2 |
| Jay Brazeau | Director | Dr. Daly, Professor Varnes | 1 | 2 |
| John Payne | Announcer | Guard, Jerald Glazebrook | 1 | 2 |
| Kathleen Duborg | Mary Vallery | Mother, Prostitute | 1 | 2 |
| Marc Baur | Emcee | Agent Brisentine, Man in Suit | 1 | 2 |
| Patrick Keating | Landlord | Beggar, Donald Gelman | 1 | 2 |
| Paul Bittante | Police Chief | Local Cop, Lt. Reagan | 1 | 2 |
| Roger Haskett | Mace Rhoden | Coroner, Deputy Tyson | 1 | 2 |
| Brenda Crichlow | Hostess | Reporter | 1 | 1 |
| Cameron McDonald | Dr. Sagher | Father Hardy | 1 | 1 |
| Charles Martin Smith | Roy Kessler | Dr. Osbourne | 1 | 1 |
| Darren Dolynski | Waiter | Man in Suit | 1 | 1 |
| Daryl Shuttleworth | Security Norm | Daryl Landry | 1 | 1 |
| Michael Kopsa | Government Official | Rick Culver | 1 | 1 |
| Peter Bryant | FBI Agent | Uniformed Cop | 1 | 1 |
| Robin Mossley | Stage Manager | Dr. Joe Ridley, Dr. Kingsley Looker, Dr. Vance Randolph | 1 | 3 |
| Ryan Hesp | Patron #2 | Henchman #1 | 1 | 1 |
| Tom Pickett | Lou Gamble | Cop | 1 | 1 |
| Laurie Murdoch | Seligman | Coroner, Lydon | 1 | 2 |
| Peter Hanlon | David Wayland | Aide, Dr. Bailey | 1 | 2 |
| Catherine Lough Haggquist | Lisa | Dr. Richmond | 1 | 1 |
| Craig March | Tim Beauchamp | Detective Gordon | 1 | 1 |
| Dalias Blake | Worker #1 | Cop #2 | 1 | 1 |
| Dan Zukovic | Bank Manager | Agent, Martin | 1 | 2 |
| David Lovgren | William Wyles IV | Kurt Crawford | 1 | 1 |
| Garry Chalk | Houston Ray | Mad Dog | 1 | 1 |
| Jane MacDougall | Handsome Woman | Laura Dalton | 1 | 1 |
| John Tench | Deputy Sheriff Tripsy | Steve | 1 | 1 |
| Kwesi Ameyaw | Detective Ocampo | Judge | 1 | 1 |
| Marcus Hondro | Vito | Barber | 1 | 1 |
| Miriam Smith | Receptionist | Elizabeth Pollidori | 1 | 1 |
| Peter Anderson | Felipe | Stan Buxton | 1 | 1 |
| Ryan Beil | Fielding Mellish | Werelizard | 1 | 1 |
| Simon Longmore | Bull | Marty Fox | 1 | 1 |
| Stephen Dimopoulos | Gelbart | Detective, Ionesco | 1 | 2 |
| Benita Ha | Reporter #2 | Tour Guide | 1 | 1 |
| Blair Slater | D.A. Assistant | Glazebrook | 1 | 1 |
| Robert Mann | Mortician | Hillbilly Ed | 1 | 1 |
| Shawn Beaton | Redneck #2 | Monster | 1 | 1 |
| Tyronne L'Hirondelle | Cameraman Hank | Databank Scientist | 1 | 1 |
| Sheila Paterson | Guest Book Grandmother | Anna Fugazzi, Gina Watkins | 1 | 2 |
| Billy Wickman | Vito | Pick Up Driver | 1 | 1 |
| Claire Riley | Dr. Drake | Dr. Lasko | 1 | 1 |
| Dean Redman | T-Bone | Police Officer | 1 | 1 |
| Dexter Bell | Patrolling Officer | Alfred Kittel | 1 | 1 |
| French Tickner | Carl Mitchell | Preacher | 1 | 1 |
| John Tierney | Art | Dr. Jacobs | 1 | 1 |
| Kathryn Kirkpatrick | Dry Cleaning Clerk | Receptionist | 1 | 1 |
| Kurt Evans | ND Speed Dater Guy | Sports Store Employee | 1 | 1 |
| Robert Underwood | Warren Dern | Paramedic | 1 | 1 |
| Linden Banks | Lawrence Cross | Joseph Patnik, Reverend Sistrunk | 1 | 2 |
| Cam Cronin | Tim | Paramedic | 1 | 1 |
| Christine Anton | Margaret | Teacher | 1 | 1 |
| Derek Thomas Versteeg | Grabinski | M.P. | 1 | 1 |
| Johnson Phan | Teno Tan | Quon | 1 | 1 |
| Jose Vargas | Ortiz | I.N.S. Worker | 1 | 1 |
| Michael St. John Smith | Mort Crocker | Major General Fryatt | 1 | 1 |
| Russell Porter | Frank | Scott Simmons | 1 | 1 |
| Stephen M.D. Chang | Instructor | Large Man | 1 | 1 |
| Derek Lowe | Manager | Johnny Lo | 1 | 1 |
| Gerry Nairn | Phillip Zurn | Man #1 | 1 | 1 |
| John R. Taylor | Dr. Rudolph May | Husband | 1 | 1 |
| Terence Kelly | Professor Enrico | George Usher | 1 | 1 |
| Bernie Coulson | Farmer Al Mooney | Kenneth Soona aka The Thinker | 1 | 1 |
| Guy Fauchon | Dietrich Mannheim | Dr. Dave Rednon | 1 | 1 |
| Jeremy Radick | Carl Kozlowski | Eric Bauer | 1 | 1 |
| Allan Gray | Dean | Dr. Peter Valedespino | 1 | 1 |
| Christopher Logan | Waiter | Dr. Sanjay | 1 | 1 |
| Klodyne Rodney | Doctor Verma | Medic | 1 | 1 |
| Fabiola Colmenero | Woman #1 | Josephine Bocanegra | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.