Kristen Connolly as Dana Polk

Fran Kranz as Marty Mikalski

Chris Hemsworth as Curt Vaughn

Jesse Williams as Holden McCrea

Anna Hutchison as Jules Louden

Richard Jenkins as Richard Sitterson

Bradley Whitford as Steve Hadley

Amy Acker as Wendy Lin

Brian J. White as Daniel Truman

Sigourney Weaver as The Director

Tim DeZarn as Mordecai

Tom Lenk as Ronald The Intern

Greg Zach as Fornicus, Lord of Bondage and Pain

Dan Payne as Matthew Buckner

Jodelle Ferland as Patience Buckner

Dan Shea as Father Buckner

Maya Massar as Mother Buckner

Matt Drake as Judah Buckner

Nels Lennarson as Clean Man

Rukiya Bernard as Labcoat Girl

Peter Kelamis as Demo Guy

Adrian Holmes as Demo Guy

Chelah Horsdal as Demo Girl

Terry Chen as Operations Guy

Heather Doerksen as Accountant

Patrick Sabongui as Elevator Guard

Phillip Mitchell as Lead Guard

Naomi Dane as Japanese Floaty Girl

Ellie Harvie as Military Liaison

Patrick Gilmore as Werewolf Wrangler

Brad Dryborough as Chem Department Guy

Emili Kawashima as Japanese Frog Girl

Aya Furukawa as Japanese School Girl

Maria Go as Japanese School Girl

Serena Akane Chi as Japanese School Girl

Abbey Imai as Japanese School Girl

Marina Ishibashi as Japanese School Girl

Miku Katsuura as Japanese School Girl

Alicia Takase Lui as Japanese School Girl

Jodi Tabuchi as Japanese School Girl

Sara Taira as Japanese School Girl

Alyssandra Yamamoto as Japanese School Girl

Richard Cetrone as Werewolf/Merman

Phoebe Galvan as Sugarplum Fairy

Simon Pidgeon as Dismemberment Goblin

Matt Phillips as Dismemberment Goblin

Lori Stewart as Floating Witch

Terry Notary as The Clown (uncredited)