Disturbing Behavior

James Marsden as Steve Clark Katie Holmes as Rachel Wagner Nick Stahl as Gavin Strick Bruce Greenwood as Dr. Edgar Caldicott William Sadler as Newberry Chad Donella as U.V. Katharine Isabelle as Lindsay Clark Tobias Mehler as Andy Steve Railsback as Officer Cox Terry David Mulligan as Mr. Clark Susan Hogan as Mrs. Clark A.J. Buckley as Charles 'Chug' Roman Tygh Runyan as Dickie Atkinson Crystal Cass as Lorna Ethan Embry as Allen Clark Stephen E. Miller as Frankie Natassia Malthe as Mary Jo Copeland Doug Abrahams as Security Guard Robert Moloney as Ferry Guy Dan Zukovic as Mr. Rooney David Paetkau as Tom Cox Jay Brazeau as Principal Weathers Sarah-Jane Redmond as Miss Perkins Gillian Barber as Judy Effkin Peter LaCroix as Mr. Strick Lynda Boyd as Mrs. Strick Daniella Evangelista as Daniella Carly Pope as Abbey Lalainia Lindbjerg as Kathy Ryan Taylor as Ryan - Blue Ribbon Brendan Fehr as Brendan - Motor Jock John Destry as Middle-Aged Man Glynis Davies as Coupon Lady Suzy Joachim as Female Doctor Jarred Blancard as Flossing Man Stephen Holmes as Toothbrush Boy Julie Patzwald as Betty Caldicott Dee Jay Jackson as Assistant Principal Sean Amsing as Damon (uncredited) Fulvio Cecere as Anesthesiologist (uncredited) Garry Chalk as Coach (uncredited) Tamsin Kelsey as Detrice (uncredited) Corey Large as Student (uncredited) Robert Lewis as Moderator (uncredited) Judith Maxie as Shadow Woman (uncredited)

Scott Rosenberg Screenplay Armyan Bernstein Producer David Nutter Director Mark Snow Original Music Composer Leslie McMichael Stunt Double J.J. Makaro Stunt Coordinator Doug Chapman Stunts Melissa R. Stubbs Stunts Corry Glass Stunts Marny Eng Stunts Stephen Hunter Flick Supervising Sound Editor Frank Smathers Foley Editor C.O. Erickson Executive Producer Stephen Hunter Flick Sound Designer Phillip B. Goldfine Executive Producer Michael N. Wong Assistant Art Director Scott Rosenberg Co-Producer