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