Dr. Mercer Boley
Cornel Wilde
Diana Boley
Jennifer Salt
Gargoyle
Mickey Alzola
Greg Walker
Rock A. Walker
The Gargoyle (voice)
Vic Perrin
Mrs. Parks
Grayson Hall
The Gargoyle
Bernie Casey
James Reeger
Scott Glenn
Police Chief
William Stevens
Jesse
John Gruber
Uncle Willie
Woody Chambliss
Buddy
Jim Connell
Morris Day
Timothy Burns
Writer
Elinor Karpf
Creature Design
Stan Winston
Director
Bill L. Norton
Steven Karpf
Producer
Robert W. Christiansen
Rick Rosenberg
Executive Producer
Roger Gimbel
Original Music Composer
Robert Prince
Director of Photography
Earl Rath
Editor
Frank P. Keller
Costume Design
Thomas S. Dawson
Ellis Burman Jr.