Disturbing Behavior: Cast
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
Derek Hamilton
Trent
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
Erin Tougas
Shannon
Ryan Taylor
Ryan - Blue Ribbon
Brendan Fehr
Brendan - Motor Jock
John Destry
Middle-Aged Man
Glynis Davies
Coupon Lady
Andre Danyliu
Roscoe
Stephen J. Lang
John (as Stephen James Lang)
Suzy Joachim
Female Doctor
Christopher R. Sumpton
Screaming Man
Jarred Blancard
Flossing Man
Kate Braidwood
Make-up Girl
Stephen Holmes
Toothbrush Boy
Mark Aviss
Bald Man
Julie Patzwald
Betty Caldicott
Dee Jay Jackson
Assistant Principal
Kendall Saunders
Disrespectful Student
Sean Amsing
Damon (uncredited)
Melanie Angel
Nurse (uncredited)
Christina de Cattani
Laughing Blonde Girl (uncredited)
Fulvio Cecere
Anesthesiologist (uncredited)
Garry Chalk
Coach (uncredited)
Cynde Harmon
Mrs. Atkinson (uncredited)
Tamsin Kelsey
Detrice (uncredited)
Corey Large
Student (uncredited)
Robert Lewis
Moderator (uncredited)
Zuzana Marlow
Shannon's Mother (uncredited)
Judith Maxie
Shadow Woman (uncredited)
Bob Wilde
Shadow Man (uncredited)
Bailee Reid
Chera - Blue Ribbon (uncredited)
Sean Smith
Schoolbus Boy (uncredited)
Clarence Sponagle
Nurses Assistant (uncredited)