Mark L. Lester Director, Screenwriter, Executive Producer Perry King Andrew Norris Actor Timothy Van Patten Peter Stegman Actor Merrie Lynn Ross Diane Norris Actor, Executive Producer Roddy McDowall Terry Corrigan Actor Al Waxman Detective Stewiski Actor Lisa Langlois Patsy Actor David Gardner Principal Morganthau Actor, Art Director Stefan Arngrim Drugstore Actor Keith Knight Barnyard Actor Neil Clifford Fallon Actor Erin Noble Deneen Actor Michael J. Fox Arthur Actor Arthur Kent Producer John Saxton Screenwriter Tom Holland Screenwriter Albert J. Dunk Cinematographer Howard Kunin Film Editing Lalo Schifrin Original Music Daniel Mainwaring Art Director Hilton Rosemarin Set Decoration Lynne MacKay Costume Design Deirdre Bowen Casting