Dave Foley

Marv / Psychiatrist / New guy / Raymond Hurdicure

Bruce McCulloch

Alice / Cisco / Grivo / Worm pill scientist / Cop #2 / Cancer boy / White-trash man

Kevin McDonald

Dr. Chris Cooper / Doreen / Chris' dad / Lacey

Mark McKinney

Simon / Don Roritor / Cabbie / Gunther / Cop #1 / Nina Bedford / Melanie / Drill sergeant / White-trash woman

Scott Thompson

Baxter / Mrs. Hurdicure / Wally Terzinsky / Malek / Big Stummies scientist / The Queen / Raj / Clemptor

Kathryn Greenwood

Ginny

Amy Smith

Raymond's Kid

Lachlan Murdoch

Raymond's Kid

Nicole De Boer

Groupie

Krista Bridges

Groupie

Christopher Redman

Wally's Son

Erica Fairfield

Wally's Daughter

Jackie Harris Greenberg

Natalie

Jonathan Wilson

Panicky Assistant

Tony Ning

Mai Tai Waiter

Jason Barr

Young Chris

Jack Jessop

Old Man in Audience

Sharon Dyer

Woman in Audience

Diane Flacks

Tom Jones Girl

Barbara Lynn Redpath

Wally's Neighbor

Jason D'Addario

Wally's Neighbor

Carrie Betker

Wally's Neighbor

Elijah Brown

Wally's Neighbor

Trenton Howe

Wally's Neighbor

Patrick Patterson

Wally's Neighbor

Kay Hawtrey

Wally's Neighbor

Luciano Casimiri

Doorman

Janeane Garofalo

Woman at Party

Adam Greydon Reid

Scarred Teenager

Larry Mannell

Scientist

Donald Tripe

Scientist

Kirsten Johnson

Scientist

Lindsay Leese

Scientist

Andy Jones

Monkey Scientist

Thom Bell

Old Man in Pie

Eric Tunney

Wally's Lover

Ann Holloway

Disco Woman

Amanda Payton Stewart

Young Disco Woman

Sherry Hilliard

Coma Queen

Jenni Soosar

Runner-up

Ingrid Hart

Runner-up

Jared Wall

Miguel

Paul Bellini

Self

Brendan Fraser

Placebo Patient (uncredited)