James Marsden

Steve Clark

Katie Holmes

Rachel Wagner

Nick Stahl

Gavin Strick

Bruce Greenwood

Dr. Edgar Caldicott

William Sadler

Newberry

Chad Donella

U.V.

Katharine Isabelle

Lindsay Clark

Tobias Mehler

Andy

Steve Railsback

Officer Cox

Terry David Mulligan

Mr. Clark

Susan Hogan

Mrs. Clark

A.J. Buckley

Charles 'Chug' Roman

Tygh Runyan

Dickie Atkinson

Crystal Cass

Lorna

Ethan Embry

Allen Clark

Stephen E. Miller

Frankie

Natassia Malthe

Mary Jo Copeland

Doug Abrahams

Security Guard

Robert Moloney

Ferry Guy

Dan Zukovic

Mr. Rooney

David Paetkau

Tom Cox

Jay Brazeau

Principal Weathers

Sarah-Jane Redmond

Miss Perkins

Gillian Barber

Judy Effkin

Peter LaCroix

Mr. Strick

Lynda Boyd

Mrs. Strick

Daniella Evangelista

Daniella

Carly Pope

Abbey

Lalainia Lindbjerg

Kathy

Ryan Taylor

Ryan - Blue Ribbon

Brendan Fehr

Brendan - Motor Jock

John Destry

Middle-Aged Man

Glynis Davies

Coupon Lady

Suzy Joachim

Female Doctor

Jarred Blancard

Flossing Man

Stephen Holmes

Toothbrush Boy

Julie Patzwald

Betty Caldicott

Dee Jay Jackson

Assistant Principal

Sean Amsing

Damon (uncredited)

Fulvio Cecere

Anesthesiologist (uncredited)

Garry Chalk

Coach (uncredited)

Tamsin Kelsey

Detrice (uncredited)

Corey Large

Student (uncredited)

Robert Lewis

Moderator (uncredited)

Judith Maxie

Shadow Woman (uncredited)