Patrick Stewart

Character: Rafe Bentley

Vincent Kartheiser

Character: Oswald 'Ozzie' Paxton

Brenda Fricker

Character: Principal Claire Maloney

Bradley Whitford

Character: Miles Lawrence

Matt Craven

Character: Jake Paxton

Annabelle Gurwitch

Character: Helen Randall Paxton

Jon Abrahams

Character: Richard 'K-Dog'

Katie Stuart

Character: Melissa Randall

Michael MacRae

Character: Foster Deroy

Callum Keith Rennie

Character: Ollie

Earl Pastko

Character: Captain Jankel

Jason Schombing

Character: Marvin

Michael David Simms

Character: Colonel Duke

David-Paul Grove

Character: Ferret

Akiko Morison

Character: Janet

Teryl Rothery

Character: Ms. Saunders

Vanessa Morley

Character: Gabby

Douglas Arthurs

Character: Happy Boy #1

Philip Granger

Character: Happy Boy #3

Andrew Kavadas

Character: Happy Boy #4

Lauro David Chartrand-DelValle

Character: Happy Boy #5

Charles Andre

Character: Happy Boy #6

Alan van Sprang

Character: Happy Boy #7

Rob Smith

Character: Happy Boy #13

Nino Caratozzolo

Character: Happy Boy #18

Bruce Pinard

Character: Happy Boy Guard

April Telek

Character: Sexy Girl

Steve Makaj

Character: SWAT Captain

Jay Brazeau

Character: Eliot

Douglas Newell

Character: Science Teacher

Frank Cassini

Character: Cop

Pamela Martin

Character: Reporter

Marrett Green

Character: Reporter

Andrew Wheeler

Character: Bank Officer

Michael Benyaer

Character: Taxi Driver

Jim Byrnes

Character: Larry Millard (uncredited)

Marny Eng

Character: Player (uncredited)

Tony Parsons

Character: News Anchor (uncredited)

Domenico Sansalone

Character: Zachary Gates (uncredited)

Kimberly Unger

Character: Flight Attendant (uncredited)