Eugene Levy

Character: Self

Cobie Smulders

Character: Self

Jason Priestley

Character: Self

Robert Cohen

Character: Self

William Shatner

Character: Self

Nathan Fillion

Character: Self

Seth Rogen

Character: Self

Kim Cattrall

Character: Self

Mike Myers

Character: Self

Michael J. Fox

Character: Self

Martin Short

Character: Self

Will Arnett

Character: Self

Dan Aykroyd

Character: Self

Catherine O'Hara

Character: Self

Dave Foley

Character: Self

Conan O'Brien

Character: Self

Alanis Morissette

Character: Self

Howie Mandel

Character: Self

Alan Thicke

Character: Self

Kathy Griffin

Character: Self

Caroline Rhea

Character: Self

Russell Peters

Character: Self

Paul Shaffer

Character: Self

David Steinberg

Character: Self

Alex Trebek

Character: Self

Michael Bublé

Character: Self

Rich Little

Character: Self

Geddy Lee

Character: Self

George Stroumboulopoulos

Character: Self

Rick Mercer

Character: Self

Morley Safer

Character: Self

Malcolm Gladwell

Character: Self

Christy Alcroft

Character: Gill

Ben Stiller

Character: Self