"A father who experiments with his son's psychokinetic powers is unaware that these experiments have released a demon from hell which lives in his son's closet, preparing to take over the young boy's soul."
Cotter Smith
as Sergeant Sam Taliaferro
Mel Harris
as Dr. Nora Haley
Scott Curtis
as Cameron Lansing
Chuck McCann
as Ben Majors
Leigh McCloskey
as Pete Groom
Kim Lankford
as Dory Lansing
Gary Hudson
as Bob Froelich
Tab Hunter
as Owen Lansing
Dort Clark
as Alan Wilson
David Povall
as Capt. Navarro
Wilson Smith
as Joe Crespy
Kerry Yo Nakagawa
as Policeman
Raymond Patterson
as Physician
Skip E. Lowe
as Newscaster
Bonnie Bradigan
as Newswoman
Frank Pesce
as Ed Wallace
Paul W. Zecevic
as Reporter
Doc D. Charbonneau
as Little Demon
William Lustig
as Ice Cream Eater (uncredited)
Armand Mastroianni
Director
Gary Brandner
Screenplay
Russell Carpenter
Director of Photography
Rose Librizzi
Prosthetic Makeup Artist
Harry Manfredini
Original Music Composer
Kelly Van Horn
Unit Production Manager
Kenneth R. Burton
Sound Recordist
Sarah Burdick Stone
Set Decoration
George Zecevic
Executive Producer
Ann Remsen Manners
Casting
Ara Ashjian
Ermando Biamonte
Visual Effects Supervisor
Gregory Cheever
Alex Rambaldi
Franc Caggiano
Associate Producer
Makeup Artist
Carlo Rambaldi
Creature Design
Frank De Palma
Editor
John S. Curran
Line Producer
Greg Landerer
Special Effects
Luigi Cingolani
Producer
Mike Bingham
Production Design
Spiro Razatos
Stunt Coordinator
Cheryl Wheeler Duncan
Stunts
Paul A. Edwards
Additional Photography