Natasha Henstridge
— Lorna
Luke Wilson
— Andy
Kathleen Robertson
— Cheryl
Janeane Garofalo
— Jeri
Bruce McCulloch
— Jeff
Kristin Lehman
— Keiran
Amie Carey
— Rachel
Gordon Currie
— Trevor
Harland Williams
— Callum
Mark McKinney
— Dr. Cavan, Dog Psychologist
Ron James
— Male Dog Owner #1
Albert Schultz
— Male Dog Owner #2
Jerry Schaefer
— Norm
Zachary Bennett
— Dougie
Peter MacNeill
— Neighbor
Boyd Banks
— Ge Groovy Lesh
Tracy Wright
— Dog Psychologist's Wife
Michael McManus
— Derrick, the Waiter
Earl Pastko
— Bartender
Nick Johne
— Video Store Cashier