Natasha Henstridge

Character: Lorna

Luke Wilson

Character: Andy

Kathleen Robertson

Character: Cheryl

Janeane Garofalo

Character: Jeri

Bruce McCulloch

Character: Jeff

Kristin Lehman

Character: Keiran

Amie Carey

Character: Rachel

Gordon Currie

Character: Trevor

Harland Williams

Character: Callum

Mark McKinney

Character: Dr. Cavan, Dog Psychologist

Ron James

Character: Male Dog Owner #1

Albert Schultz

Character: Male Dog Owner #2

Jerry Schaefer

Character: Norm

Zachary Bennett

Character: Dougie

Peter MacNeill

Character: Neighbor

Boyd Banks

Character: Ge Groovy Lesh

Tracy Wright

Character: Dog Psychologist's Wife

Michael McManus

Character: Derrick, the Waiter

Earl Pastko

Character: Bartender

Nick Johne

Character: Video Store Cashier