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