David Duchovny
Fox Mulder (24 eps)
Gillian Anderson
Dana Scully (24 eps)
Laurie Holden
Marita Covarrubias (5 eps)
Brendan Beiser
Agent Pendrell (5 eps)
Rebecca Toolan
Teena Mulder (3 eps)
Vanessa Morley
Young Samantha Mulder Clone (uncredited) (3 eps)
Morris Panych
Gray Haired Man (3 eps)
Fritz Weaver
Senator Albert Sorenson (2 eps)
Joe Spano
Mike Millar (2 eps)
Stefan Arngrim
Prisoner (2 eps)
Tom O'Brien
Sgt. Louis Frisch (2 eps)
Scott Bellis
Max Fenig (2 eps)
Greg Michaels
Scott Garrett (2 eps)
Jerry Schram
Larold Rebhun (2 eps)
Jan Rubeš
Vassily Peskow (uncredited) (2 eps)
Rick Dobran
Sergeant Armando Gonzales (2 eps)
Dean Aylesworth
Young Bill Mulder (2 eps)
David Palffy
Dark Man (2 eps)
Mark Wilson
The Pilot (2 eps)
Stacy Fair
Flight Attendant (uncredited) (2 eps)
Jessica Schreier
Dr. Bonita Charne-Sayre (2 eps)
John Neville
Well-Manicured Man (2 eps)
Sheila Larken
Margaret Scully (2 eps)
Campbell Lane
Senator Romine (2 eps)
Malcolm Stewart
Dr. Sacks (2 eps)
Brent Stait
Timothy Mayhew (2 eps)
Chris Owens
Young Cigarette Smoking Man (2 eps)
Chilton Crane
Sharon Graffia (2 eps)
Don S. Williams
Elder (2 eps)
Bruce Harwood
John Fitzgerald Byers (voice) (2 eps)
Tom Braidwood
Melvin Frohike (2 eps)
Nicholas Lea
Alex Krycek (2 eps)
Carl Lumbly
Marcus Duff (1 eps)
Raymond Cruz
Eladio Buente (1 eps)
Paul McCrane
Leonard Morris Betts (1 eps)
Pruitt Taylor Vince
Gerry Schnauz (1 eps)
Kristen Cloke
Melissa Rydell Ephesian (1 eps)
Jed Rees
Lucas Menand (1 eps)
Scott Hylands
Gen. Benjamin Bloch (1 eps)
Jodie Foster
'Betty' (voice) (1 eps)
Jay Acovone
Detective Curtis (1 eps)
Roy Thinnes
Jeremiah Smith (1 eps)
Richard Beymer
Dr. Jack Franklin (1 eps)
Channon Roe
Derek Banks (1 eps)
Sydney Lassick
Chuck Forsch (1 eps)
John Finn
Michael Kritschgau (1 eps)
Michael Cram
Officer Corning (1 eps)
Mark Holden
Agent Eugene Chandler (1 eps)
Joseph Fuqua
Jason Nichols (1 eps)
Donna White
Therapist (1 eps)
O-Lan Jones
Nurse Rebecca Waite (1 eps)
Rubén Blades
Conrad Lozano (1 eps)
Jon Ratt
Father (1 eps)
Tucker Smallwood
Sheriff Andy Taylor (1 eps)
Paul McGillion
Angry Husband (1 eps)
Rodney Rowland
Edward Jerse (1 eps)
David Groh
Jacob Weiss (1 eps)
Jenny-Lynn Hutcheson
Addie Sparks (uncredited) (1 eps)
Carla Stewart
The Judge (uncredited) (1 eps)
Justine Miceli
Ariel Weiss (1 eps)
Steven M. Porter
Harold Spuller (1 eps)
Zakes Mokae
Diabria (1 eps)
Christine Cavanaugh
Amanda Nelligan (1 eps)
Sharon Alexander
Mary Lefante (1 eps)
Michael Fairman
Older Jason Nichols (1 eps)
Neil Denis
Catcher (1 eps)
Andrew Arlie
Attorney (1 eps)
Lorena Gale
Attorney (1 eps)
Michael Kopsa
Rick Culver (1 eps)
Jennifer Clement
Michele Wilkes (1 eps)
Barry 'Bear' Horton
Bartender (uncredited) (1 eps)
Don Stewart
Businessman (uncredited) (1 eps)
Scott Heindl
Boyfriend (1 eps)
Mike Nussbaum
Dr. Charles Goldstein (1 eps)
John Juliani
Dr. Harrison Lloyd (1 eps)
Carly McKillip
Caitlin Ross (1 eps)
Jabin Litwiniec
Clinton (1 eps)
Igor Morozov
Pudovkin (1 eps)
David Lovgren
Kurt Crawford (1 eps)
Lillian Hurst
Flakita (1 eps)
Byrne Piven
Robert Sparks (1 eps)
Jonathan Walker
Chuck Lukerman (1 eps)
James Sutorius
Babcock (1 eps)
Nancy J. Lilley
Liposuction Patient (uncredited) (1 eps)
Douglas Smith
Pitcher (1 eps)
Lucia Walters
EMT (uncredited) (1 eps)
Nancy Fish
Nurse Innes (1 eps)
Brian Thompson
Alien Bounty Hunter (1 eps)
Jose Yenque
Soledad Buente (1 eps)
Rita Bozi
Ms. Vansen (uncredited) (1 eps)
Brad Loree
Security Guard (1 eps)
Timur Karabilgin
Tony (1 eps)
Les Gallagher
Attorney (uncredited) (1 eps)
Judith Maxie
Mrs. Barbara Taylor (1 eps)
Celine Lockhart
The Skin-Peel Patient (uncredited) (1 eps)
Danny Kamin
Detective Hudak (1 eps)
Marjorie Lovett
Elaine Tanner (1 eps)
Pat Skipper
Bill Scully Jr. (1 eps)
Ron Chartier
Inspector Puett (1 eps)
Jan Bailey Mattia
Ms. Hadden (1 eps)
Arlene Mazerolle
Dr. Shannon (1 eps)
Michael Massee
Vernon Ephesian (1 eps)
Tom Noonan
John Lee Roche (1 eps)
Don McWilliams
Pfc. Gus Burkholder (1 eps)
David Wohl
Kenneth Ungar (1 eps)
Austin Basile
The Bellman (uncredited) (1 eps)
Matthew Walker
Arlinsky (1 eps)
Constance Barnes
O.R. Nurse (uncredited) (1 eps)
Maxine Guess
Flight Attendant (1 eps)
Marilyn Chin
Mrs. Shima-Tsuno (uncredited) (1 eps)
Michele Melland
ER Doctor (1 eps)
Jonathan Whittaker
Curt Brunjes (1 eps)
Adrian G. Griffiths
Sherman Peacock (1 eps)
Greg Newmeyer
New Partner (uncredited) (1 eps)
Eric Buermeyer
The Bus Driver (uncredited) (1 eps)
Bill Dow
Charles Burks (1 eps)
Garvin Cross
Repairman (1 eps)
Paul Bittante
Local Cop (1 eps)
Ken Jones
Bearded Man (uncredited) (1 eps)
Jillian Fargey
Kaye Schilling (1 eps)
Angela Donahue
Alice Brandt (uncredited) (1 eps)
Steve Makha
Scott Ostelhoff (1 eps)
Bill Agnew
Lt. Gen. Peter MacDougal (uncredited) (1 eps)
Patricia Idlette
Desk Clerk (1 eps)
Murrey Rabinovitch
1st Hasidic Man (1 eps)
Morgan Weisser
Lee Harvey Oswald (1 eps)
John Trottier
George Peacock (1 eps)
Rebecca Harker
Housekeeper (1 eps)
Willie Amakye
Samuel Aboah (1 eps)
Sonia Norris
Marleen Ross (uncredited) (1 eps)
Nina Roman
Jill Holwagerm (uncredited) (1 eps)
Bob Morrisey
Dr. Simon Bruin (1 eps)
Julie Bond
Woman (1 eps)
Sean Campbell
Local Cop (1 eps)
Tina Amayo
Older Shanty Woman (uncredited) (1 eps)
Olesky Shostak
Bundled Man (uncredited) (1 eps)
Alison Matthews
Doctor (1 eps)
Allan Franz
Dr. Ben Keyser (1 eps)
Cory Frye
Batter (1 eps)
Douglas Roy Dack
Mighty Man (uncredited) (1 eps)
Shelley Adam
Young Mrs. Mulder (1 eps)
Barry W. Levy
Dr. Vitagliano (1 eps)
John Dadey
Local Agent (uncredited) (1 eps)
Nicolle Nattrass
Misty Nagata (1 eps)
Laurie Murdoch
Lydon (1 eps)
Robert Moloney
Bruce Bearfeld (1 eps)
Colin Lawrence
The Troop Leader (uncredited) (1 eps)
Arnie Walters
Father McCue (1 eps)
John Hainsworth
Gaunt Man (uncredited) (1 eps)
Brent Chapman
Security Cop (1 eps)
Dexter Bell
Alfred Kittel (uncredited) (1 eps)
Susan Lee Hoffman
Lisa Ianelli (1 eps)
Sean Allen
Dr. Kevin Scanlon (1 eps)
David Freedman
Rabbi (1 eps)
Bill Nunn
Gen. John Steffan (1 eps)
Marie Stillin
Dr. Sally Sanford (1 eps)
Geoffrey Ayi-Bonte
Seat Mate (uncredited) (1 eps)
Don Ackerman
Night Attendant (uncredited) (1 eps)
Bill Croft
Comrade Svo (1 eps)
Alex Haythorne
Young Mulder (1 eps)
Theresa Puskar
Mrs. Kemper (uncredited) (1 eps)
Peter Nadler
Ed Jerse's Lawyer (uncredited) (1 eps)
William S. Taylor
Gen. Leitch (1 eps)
Craig Burnanski
Saw Operator (1 eps)
Gerry Naim
Sergeant Conner (uncredited) (1 eps)
Anthony Ashbee
Corporal (uncredited) (1 eps)
Michael Ryan
Agent Cameron Hill (1 eps)
Laara Sadiq
Female EMT (1 eps)
John Moore
2nd Elder (uncredited) (1 eps)
Peter Mele
Mob Man (uncredited) (1 eps)
Jude Zachary
Jones (uncredited) (1 eps)
Jenn Forgie
Cindy Savalas - Ed's Ex-wife (uncredited) (1 eps)
Jon Raitt
Father (1 eps)
Ian Robison
Detective Smith (1 eps)
Marek Wiedman
Investigator (1 eps)
Steve Oatway
Supervisor (uncredited) (1 eps)
Eileen Pedde
Angie (1 eps)
Brenda McDonald
Auntie Janet (1 eps)
Michael St. John Smith
Major General Fryatt (uncredited) (1 eps)
Lee Serpa
Swarthy Man (uncredited) (1 eps)
Paul Jarrett
James Earl Ray (1 eps)
Allan Gray
Dr. Peter Valedespino (1 eps)
Fred Keating
Ray Thomas (1 eps)
Peter Bryant
The Uniformed Cop (1 eps)
J. Douglas Stewart
Male EMT (1 eps)
Sebastian Spence
Deputy Barney Paster (1 eps)
BJ Harrison
Hannah (1 eps)
William MacDonald
Officer Trott (1 eps)
Felicia Shulman
Motel Manager (1 eps)
Natasha Vasiluk
Store Owner (uncredited) (1 eps)
George Gordon
Detective (1 eps)
Terry Barclay
Officer Imhof (1 eps)
Lisa Stewart
Jane Brody (1 eps)
Jennifer Jasey
Female Private (1 eps)
Christopher Newton
Photo Technician (1 eps)
Marites Pineda
Crying Girl (uncredited) (1 eps)
Nancy Kerr
Agent Hedin (1 eps)
Anthony Harrison
FBI Agent Riggins (1 eps)
Charles Cioffi
Section Chief Scott Blevins (1 eps)
Jerry Hardin
Deep Throat - Ronald (1 eps)
Karin Konoval
Mrs. Peacock (1 eps)
Walter Marsh
Druggist (1 eps)
Michael Dobson
BATF Agent (1 eps)
Doug Abrahams
Harbaugh (1 eps)
Greg Thirloway
Dr. Mitchell Kaplan (1 eps)
Paul Raskin
Dr. Eric Ilaqua (1 eps)
Donnelly Rhodes
General Francis (1 eps)
David Fredericks
Director (1 eps)
Peter Hanlon
Aide (1 eps)
Marc Baur
Matlock (uncredited) (1 eps)
Dan Zukovic
Agent (1 eps)
Robin Mossley
Dr. Kingsley Looker (1 eps)
Robert Thurston
Dr. Larry Steen (1 eps)
Susan Bain
County Coroner (1 eps)
Harrison Coe
Isaac Luria (1 eps)
Peter LaCroix
Nathaniel Teager (1 eps)
Larry Musser
Denny Markham (1 eps)
Lesley Ewen
Renee Davenport (1 eps)
Hiro Kanagawa
Dr. Yonechi (1 eps)
Peter Kelamis
Second Husband (1 eps)
P. Lynn Johnson
Health Department Doctor (1 eps)
David S. Cameron
Deputy (1 eps)
Carrie Cain-Sparks
Duty Nurse (1 eps)
Darin Morgan
Eddie Van Blundht (1 eps)
Barry Greene
Dr. Emile Linzer (1 eps)
Paul Anthony McLean
Special Agent Kautz (1 eps)
Christine Willes
Karen Kosseff (1 eps)
Jason Griffith
Uniformed Officer (uncredited) (1 eps)
Ken Tremblett
Uniformed Officer (1 eps)
Alex Bruhanski
Angelo Pintero (1 eps)
Andrew Johnston
Medical Examiner (1 eps)
Eric Breker
Admitting Officer Michael Fazekas (1 eps)
Dean Haglund
Richard 'Ringo' Langly (1 eps)
Steven Williams
Mr. X (1 eps)
Gillian Barber
Penny Northern (1 eps)
David Bloom
Stress Man (1 eps)
Rob Freeman
Detective Rempulski (1 eps)