FBI Special Agent Fox Mulder
David Duchovny
FBI Special Agent Dana Scully
Gillian Anderson
Melvin Frohike
Tom Braidwood
John Fitzgerald Byers / John Fitzgerald Byers (voice)
Bruce Harwood
Asst. Dir. Walter Skinner
Mitch Pileggi
Jacob Steven Haley
Daniel von Bargen
Agent Arthur Dales
Darren McGavin
Bobby Rich
Chad Lindberg
Tara Scully
Karri Turner
Father McCue
Arnie Walters
Shaineh Berkowitz
Pattie Tierce
Marty Glenn
Lili Taylor
Agent Diana Fowley
Mimi Rogers
Ronnie Strickland
Patrick Renna
Robert Patrick Modell
Robert Wisden
Michael Sloan
Tom Scholte
Det. John Munch
Richard Belzer
Gary Lambert
Brian Markinson
Richard "Ringo" Langly
Dean Haglund
Alex Krycek / Michel
Nicholas Lea
Melissa Turner
Susannah Hoffman
Ken Hawryliw
Phil Rich
Bob Dawson
Sheriff Hartwell
Luke Wilson
Sheriff
Mitchell Kosterman
Linda Bowman
Diana Scarwid
Polly Turner
Jenny-Lynn Hutcheson
Scott Ostelhof
Steve Makaj
Field Agent
J.B. Bivens
Senior Agent
Ken Camroux
Mrs. Kernoff
Patti Allan
Supervisor
Dmitry Chepovetsky
Izzy Berkowitz
Stewart Gale
Marty Fox
Simon Longmore
Dmitri
Alex Shostak Jr.
Det. Pennock
Blu Mankuma
CGB Spender / Cancer Man / SS Oberfuehrer
William B. Davis
John Doggett
Robert Patrick
Charles Wesley Gotts
Richard Fitzpatrick
Nancy Aaronson
Cynthia Preston
Lance Kernof
Eric Keenleyside
Michael Asekoff
Alf Humphreys
Jane Froelich
Carolyn Tweedle
Funeral Director
Forbes Angus
U.S. Marshal
Michael Dobson
Booger
Chris Giacoletti
Patti Rich
Cynde Haron
Goatee Man
Armin Moattar
Landlord
J. Douglas Stewart
Susanne Modeski
Signy Coleman
Marita Covarrubias
Laurie Holden
Section Chief Scott Blevins
Charles Cioffi
Det. John Kresge
John Pyper-Ferguson
Dr. Wilkenson
Henri Lubatti
Edward Skur
Garret Dillahunt
Assistant Manager
Gordon Tipple
Trace Agent
Michelle Hart
Mrs. Loach
Brenda McDonald
Coroner
Brent Butt
Orchard Keeper
George Josef
Donald Gelman
Patrick Keating
Louis Asekoff
Tyler Thompson
Cassandra Spender
Veronica Cartwright
Dara Kernoff/Paula Koklos/Roberta Dyer
Emily Perkins
Leamus
Sam Anderson
Doctor
Brent Sheppard
Marshall Sim
Rob Freeman
Detective
Marion Killinger
Assistant D.A. Daniel Costa
Peter Kelamis
Hayes Michel
Brian Leckner
Therapist
Colleen Winton
Lisa Baiocchi
Katharine Isabelle
Dave the Butcher
Harrison Coe
Dr. Pollidori
John O'Hurley
The Hacker Dude
Eric Knight
Dr. Vitagliano
Barry W. Levy
Father Gregory
Jody Racicot
Dr. Per Lagerqvist
Max Wyman
Jackson
Peter Williams
Agent Kinsley
Scott Burkholder
August Bremer
Michael MacRae
Greg Pincus
John Apicella
Joey Agostino
Myles Ferguson
Agent Rice
Roger R. Cross
Pathologist Vicki Belon
Lorraine Landry
Agent Stonecypher
J.C. Wendel
Usherette
Kate Braidwood
Bunny
Rob Daprocida
Dr. Alepin
Barbara Dyke
Emily Sim
Mecca Maynard
Monica Reyes
Annabeth Gish
Young Arthur Dales
Fredric Lane
Elizabeth Pollidori
Miriam Smith
Jack Bonsaint
Larry Musser
Dr. Floyd Fazio
Ron Halder
Dr. Oppenheim / Federal Marshall / Agent Kazanjian
William MacDonald
Mrs. Asekoff
Merrilyn Gann
Mrs. Skur
Eileen Pedde
Mr. Baiocchi
Gardiner Millar
Manager
Ralph Alderman
Judge Maibaum
David Abbott
Susan Chambliss
Patricia Dahlquist
Cameraman
Grant Gladish
Ken Hawryliw
Ken Hawryliw
J.J.
Vitally Kravchenko
Boyce
Jerry Schram
Aaron Starkey
Glenn Morshower
Dr. Heitz Werber
Jim Jansen
Dr. Vinet
Bob Morrisey
SWAT Commander
Steve Bacic
Rich Turner
Dean Wray
Emily Sim
Lauren Diewold
Roy Cohn
David Moreland
Karin Matthews
Sarah Jane Redmond
Martin
Trevor Roald
Figgis
Dan Weber
Alvin Kersh / Jamaican Crewman
James Pickens Jr.
Michele Fazekas
Colleen Flynn
Mr. X
Steven Williams
Margaret Scully
Sheila Larken
Esther Nairn/Invisigoth
Kristin Lehman
Brit
Kett Turton
Gibson Andrew Praise
Jeff Gulka
Jeffrey Spender / FBI Special Agent Jeffrey Spender / Young Smoking Man
Chris Owens
Dorothy Bahnsen
Jane Perry
George Vincent Dyer
Bob Wilde
Jeff Glaser
Anthony Rapp
Dr. Calderon
Gerard Plunkett
Gretchen Starns
Leslie Jones
Nurse
Nancy Kerr
Elder / Elder #1 / 1st Elder
Don S. Williams
Skin-Head Man
Douglas Arthurs
Bill Scully Jr.
Pat Skipper
Anna Fugazzi
Sheila Paterson
Young Bill Mulder
Dean Aylesworth
Holly
Julie Arkos
The Sergeant
Tim O'Halloran
Shooter
Martin Ferrero
Elder 2
George Murdock
Dr. Leavitt
John B. Lowe
Old Edward Skur
Eric Gilder
Mark Backus
Owen Walstrom
Dr. Zuckerman
Robert Wright
Well-Manicured Man
John Neville
Dr. Patou
Chapelle Jaffe
Newscaster
Norma Jean Wick
The CIA Operative
Michael St. John Smith
Michael Kritschgau
John Finn
Cohn's Assistant
Dean Barrett
Quiet Willy
Willy Ross
Samantha Mulder
Megan Leitch
Coroner
Roger Haskett
Young Jeffrey Spender
Michal Suchánek
Alien Bounty Hunter
Brian Thompson
Deep Throat - Ronald
Jerry Hardin
Young Boy
Jack Finn
2nd Elder
John Moore
Teena Mulder
Rebecca Toolan
Charles Burks / Chuck Burk / Pangborn
Bill Dow
Agent Pendrell
Brendan Beiser
Brad Follmer
Cary Elwes
Baby William
Travis Riker
William Mulder
Peter Donat
Gray Haired Man / Dr. Simon Auerbach
Morris Panych
Billy Miles
Zachary Ansley
Agent Gene Crane
Kirk B.R. Woller
Knowle Rohrer
Adam Baldwin
Baby William
James Riker
Skinner's Assistant / 1st Woman Party-Goer
Arlene Pileggi
Dr. Sacks / Agent Bonnecaze / Commander Carver
Malcolm Stewart
Security Guard / Larsen / The Director
David Fredericks
Agent #2 / Paul Vitaris / Patrolman #1
Doug Abrahams
Field Doctor / Woman / Night Nurse
Bonnie Hay
Tarot Dealer / Manager / Buddy
Alex Diakun
Albert Hosteen
Floyd Red Crow Westerman
Hispanic Man / Luis Cardinal
Lenno Britos
Director
Daniel Sackheim
Director
David Nutter
Director
Ralph Hemecker
Director
Michael Lange
Director
R.W. Goodwin
Director
Allen Coulter
Director
Cliff Bole
Director
Kim Manners
Director
Michael W. Watkins
Director
Rob Bowman
Director
Chris Carter
Director
Tony Wharmby
Director
Peter Markle
Director
William A. Graham
Director
R. W. Goodwin