Richard Crenna
C.J. Arnold
Joanna Pettet
Dr. Caroline Arnold
Andrew Prine
Prof. Raymond Guy
Cassie Yates
Mary Harper
George O'Hanlon, Jr.
Pete Brooks
Lynne Moody
Felicia Allen
Mary Louise Weller
Laurie Belman
Robert Viharo
Dwight
Victor Buono
The Devil
Milton Selzer
The Realtor
Ed Bakey
Sam the Caretaker
Galen Thompson
Emilio Vargas
Emory Souza
The Demon
Gus Trikonis
Director
David Sheldon
Screenstory
David Sheldon
Co-Producer
Jack H. Young
Prosthetic Makeup Artist
Harry Caplan
Production Manager
Scott U. Adam
First Assistant Director
Dan Steinbrocker
Second Assistant Director
Michael Bennett
Property Master
Gordon Davidson
Sound Effects Editor
William B. Kaplan
Sound Mixer
Robert R. Rutledge
Sound Effects Editor
Earl Sampson
Boom Operator
Buddy Joe Hooker
Stunts
Barbara Andrews
Wardrobe Coordinator
James Alvarez
Wardrobe Assistant
Jerry Cohen
Music Editor
John Fresco
Music Supervisor
Elizabeth Gallagher
Script Supervisor
Gus Trikonis
Screenplay
Galen Thompson
Screenplay
Ed Carlin
Producer
Roger Corman
Executive Producer
Paul Joseph
Executive Producer
Malcolm Levinthal
Executive Producer
Johnny Harris
Original Music Composer
Mario DiLeo
Director of Photography
Jack Kirschner
Editor
Peter Jamison
Art Direction
Robert W. Sheets
Set Decoration
Lynne Brooks
Makeup Artist