Karl Durand
Howie Mandel
The Control Voice
Kevin Conway
Graham Highfield
Daniel Benzali
Danny Martin
Fred Savage
Captain William Clark
Mario Van Peebles
Jon Tenney
Frank Kelton
Esai Morales
Rose Ciotti
Jennifer Rubin
Rebecca Highfield
Kim Cattrall
Nicholas Prentice / Quasga / Moses Saxon
Alex Diakun
Natasha Henstridge
Jake Miller
Casper Van Dien
Robin Dysart
Jennifer Beals
Frank Martin
Peter Onorati
Dr. Golden / Dr. Miles Osgoode / Detective Barclay
Eric Schneider
Steve Bacic
Dr. Helene Dufour
Guylaine St. Onge
Dr. Valerian
John Gilbert
Dr. Lucy Cole
Teryl Rothery
Jade / Laura
Sandrine Holt
Ben Miller
Gary Basaraba
Sheila Larken
Det. Landers
Terry David Mulligan
Carol Martin
Dey Young
J.D. Kelton
Jed Rees
Admiral Jones
Ken Camroux
Justin Highfield
Liam Ranger
Maj. Samuel Harbeck / Clerk / Dr. Evan Swift
Larry Musser
Preacher
David Longworth
Louise
Lorena Gale
R & R Leader / Officer #1 / Hawkes
Garvin Cross
Doctor
Bart Anderson
Colonel Bell
Barry Levy
Dr. Lawrence Sinclair
Michael Hogan
Commander Louis Vidwell
Roman Podhora
Guest Star
William S. Taylor
Miriam Turner
Ocean Hellman
Reverend Leblanc / Silver-Haired Man / General Baker
Scott Swanson
Guest Star
Joseph Ramyr-Pascual
Thomas Langley Russell
Michael Ryan
Nurse
Carrie Cain-Sparks
Tom Grant
John Novak
Admiral Birch
Gerard Plunkett
Dr. Werner / Charlie Bouton / General Morehouse
Tom Butler
William Talbot
Jerry Wasserman
Jim / Red / Josiah Miller
Tom Heaton
Captain / Roger Cress / Security Captain
Nathaniel Deveaux
Lt. O'Neill / Dominic Langton / Harrison Taylor
Kavan Smith
Dr. Kevington / Jonathan Morris / F.B.I. Agent Corey Lonn
Andrew Airlie
Dr. Avery Strong / Miles Pendergast / Dr. Norris
Bruce Harwood
Jake Sternlight / Commander Guy LeClerc / Gould
Robert Lewis
TV Interviewer / News Anchor / Reporter #1
Joanna Piros
Ben / Bartender / Craig Swenson
William deVry
Fence Guard / Larue / Security Guard #1
Benz Antoine
Bailiff / Overseer #2 / Male Vorak
Mark Gibbon
Mikulak / Luther / Old Man
Frank C. Turner
Col. Roger Tennent / Dr. Howard Sarrazin / Governor Oleaga
Scott Hylands
Lorelle Palmer / Janet Marshall / Larissa Whitehouse
Kristin Lehman
Director
Jeff Woolnough
Director
Jim Kaufman
Director
Brad Turner
Director
Neill Fearnley
Director
Helen Shaver
Director
James Head
Director
Melvin Van Peebles
Director
Brenton Spencer
Director
Mike Rohl
Director
Joseph L. Scanlan
Director
Ken Girotti
Director
Tibor Takács
Director
Mario Azzopardi
Director
Jorge Montesi
Director
Mario Philip Azzopardi