James Marsden

Character: Steve Clark

Katie Holmes

Character: Rachel Wagner

Nick Stahl

Character: Gavin Strick

Bruce Greenwood

Character: Dr. Edgar Caldicott

William Sadler

Character: Newberry

Chad Donella

Character: U.V.

Katharine Isabelle

Character: Lindsay Clark

Tobias Mehler

Character: Andy

Steve Railsback

Character: Officer Cox

Terry David Mulligan

Character: Mr. Clark

Susan Hogan

Character: Mrs. Clark

A.J. Buckley

Character: Charles 'Chug' Roman

Derek Hamilton

Character: Trent

Tygh Runyan

Character: Dickie Atkinson

Crystal Cass

Character: Lorna

Ethan Embry

Character: Allen Clark

Stephen E. Miller

Character: Frankie

Natassia Malthe

Character: Mary Jo Copeland

Doug Abrahams

Character: Security Guard

Robert Moloney

Character: Ferry Guy

Dan Zukovic

Character: Mr. Rooney

David Paetkau

Character: Tom Cox

Jay Brazeau

Character: Principal Weathers

Sarah-Jane Redmond

Character: Miss Perkins

Gillian Barber

Character: Judy Effkin

Peter LaCroix

Character: Mr. Strick

Lynda Boyd

Character: Mrs. Strick

Daniella Evangelista

Character: Daniella

Carly Pope

Character: Abbey

Lalainia Lindbjerg

Character: Kathy

Erin Tougas

Character: Shannon

Ryan Taylor

Character: Ryan - Blue Ribbon

Brendan Fehr

Character: Brendan - Motor Jock

John Destry

Character: Middle-Aged Man

Glynis Davies

Character: Coupon Lady

Andre Danyliu

Character: Roscoe

Stephen J. Lang

Character: John (as Stephen James Lang)

Suzy Joachim

Character: Female Doctor

Christopher R. Sumpton

Character: Screaming Man

Jarred Blancard

Character: Flossing Man

Kate Braidwood

Character: Make-up Girl

Stephen Holmes

Character: Toothbrush Boy

Mark Aviss

Character: Bald Man

Julie Patzwald

Character: Betty Caldicott

Dee Jay Jackson

Character: Assistant Principal

Kendall Saunders

Character: Disrespectful Student

Sean Amsing

Character: Damon (uncredited)

Melanie Angel

Character: Nurse (uncredited)

Christina Cattani

Character: Laughing Blonde Girl (uncredited)

Fulvio Cecere

Character: Anesthesiologist (uncredited)

Garry Chalk

Character: Coach (uncredited)

Cynde Harmon

Character: Mrs. Atkinson (uncredited)

Tamsin Kelsey

Character: Detrice (uncredited)

Corey Large

Character: Student (uncredited)

Robert Lewis

Character: Moderator (uncredited)

Zuzana Marlow

Character: Shannon's Mother (uncredited)

Judith Maxie

Character: Shadow Woman (uncredited)

Bob Wilde

Character: Shadow Man (uncredited)

Bailee Reid

Character: Chera - Blue Ribbon (uncredited)

Sean Smith

Character: Schoolbus Boy (uncredited)

Clarence Sponagle

Character: Nurses Assistant (uncredited)