Full Credits
13 members

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
30 members
Gus Trikonis
Director
Elizabeth Gallagher
Script Supervisor
Scott U. Adam
First Assistant Director
Dan Steinbrocker
Second Assistant Director
David Sheldon
Screenstory
Gus Trikonis
Screenplay
Galen Thompson
Screenplay
David Sheldon
Co-Producer
Harry Caplan
Production Manager
Ed Carlin
Producer
Malcolm Levinthal
Executive Producer
Paul Joseph
Executive Producer
Roger Corman
Executive Producer
Mario DiLeo
Director of Photography
Gordon Davidson
Sound Effects Editor
Robert R. Rutledge
Sound Effects Editor
Earl Sampson
Boom Operator
Jerry Cohen
Music Editor
John Fresco
Music Supervisor
William B. Kaplan
Sound Mixer
Johnny Harris
Original Music Composer
Michael Bennett
Property Master
Robert W. Sheets
Set Decoration
Peter Jamison
Art Direction
Jack H. Young
Prosthetic Makeup Artist
James Alvarez
Wardrobe Assistant
Barbara Andrews
Wardrobe Coordinator
Lynne Brooks
Makeup Artist
Jack Kirschner
Editor
Buddy Joe Hooker
Stunts