William Mapother as Dr. Henry West

Rya Kihlstedt as Judith Winstead

Sharon Maughan as Susan Gorman

Anne Betancourt as Joanne Breault

John Rubinstein as Marcus Wheeler

Suzanne Jamieson as Cathleen West

Gerald McCullouch as Steven West

Brian Chenoweth as Father Donnelly

Joe Guarneri as Sergeant Parella

Gage Maverik as Government Researcher

Erich Lane as Kenneth

Harry Groener as Lawrence Henault

Lou Beatty Jr. as Darrell Price

Ivar Brogger as Therapist

Rob Kerkovich as Agent Barnes

Anton Narinskiy as Private Turcott

Shannon Wilcox as Patricia West

Chris Sparling as Corporal Gorder

Heath Centazzo as EMT #2