Kristen Connolly
Dana Polk

Fran Kranz
Marty Mikalski

Chris Hemsworth
Curt Vaughn

Jesse Williams
Holden McCrea

Anna Hutchison
Jules Louden

Richard Jenkins
Richard Sitterson

Bradley Whitford
Steve Hadley

Amy Acker
Wendy Lin

Brian J. White
Daniel Truman

Sigourney Weaver
The Director

Tim DeZarn
Mordecai

Tom Lenk
Ronald The Intern

Greg Zach
Fornicus, Lord of Bondage and Pain

Dan Payne
Matthew Buckner

Jodelle Ferland
Patience Buckner

Dan Shea
Father Buckner

Maya Massar
Mother Buckner

Matt Drake
Judah Buckner

Nels Lennarson
Clean Man

Rukiya Bernard
Labcoat Girl

Peter Kelamis
Demo Guy

Adrian Holmes
Demo Guy

Chelah Horsdal
Demo Girl

Terry Chen
Operations Guy

Heather Doerksen
Accountant

Patrick Sabongui
Elevator Guard

Phillip Mitchell
Lead Guard

Ellie Harvie
Military Liaison

Patrick Gilmore
Werewolf Wrangler

Brad Dryborough
Chem Department Guy

Aya Furukawa
Japanese School Girl

Richard Cetrone
Werewolf/Merman

Lori Stewart
Floating Witch

Terry Notary
The Clown (uncredited)