Kevin Conway
The Control Voice (voice) (uncredited)

Alex Diakun
Nicholas Prentice / Quasga / Shopkeeper / Moses Saxon / Mr. Wilkes / Father Clar...

Eric Schneider
Detective Barclay / The Voice / Dr. Miles Osgoode / High Commander Reese / Triun...

Larry Musser
Jack Parsons / Maj. Samuel Harbeck / Dr. Evan Swift / Larry Leonard / Detective ...

Garvin Cross
Officer #1 / Hawkes / Ralph Sutton / Agent Bauer / R & R Leader / Lt. Jackson

Scott Swanson
Kyle Haller / Emil Dobkins / Reverend Leblanc / General Baker / Silver-Haired Ma...

Tom Butler
Charlie Rogers / Charlie Bouton / Mr. Evans / General Morehouse / Dr. Werner

Nathaniel DeVeaux
Roger Cress / Col. Birch / Security Captain / Captain / Don Hattaway

Kavan Smith
Allan / Dominic Langton / Harrison Taylor / Lt. O'Neill / Quarterback

Andrew Airlie
Dr. Kevington / F.B.I. Agent Corey Lonn / Jonathan Morris / Marcus Fellows / Don

Bruce Harwood
Miles Pendergast / Technician / Dr. Avery Strong / Dr. Norris

Barry W. Levy
Jules Mason / David Cohen / Colonel Bell / Vila

Robert Lewis
Commander Guy LeClerc / Gould / Miguel / Jake Sternlight

Joanna Piros
News Anchor / TV Interviewer / Reporter #1 / TV Newscaster

Tom Heaton
Red / Josiah Miller / Crazed Man / Jim

William deVry
Ben / Bartender / Craig Swenson

Benz Antoine
Fence Guard / Larue / Security Guard #1 / Sergeant

Mark Gibbon
Bailiff / Overseer #2 / Male Vorak

Frank C. Turner
Mikulak / Luther / Old Man / Elder

Scott Hylands
Dr. Howard Sarrazin / Col. Roger Tennent / Wayne / Governor Oleaga