Vincent Price
Dr. Erasmus Craven
Peter Lorre
Dr. Adolphus Bedlo
Boris Karloff
Dr. Scarabus
Hazel Court
Lenore Craven
Olive Sturgess
Estelle Craven
Jack Nicholson
Rexford Bedlo
John Dierkes
Roderick Craven
Connie Wallace
Maid
William Baskin
Grimes
Aaron Saxon
Gort
Leo Gordon
Grimes (voice) (uncredited)
Dick Johnstone
Roderick Craven (uncredited)
Richard Matheson
Screenplay
Ronald Sinclair
Editor
Les Baxter
Original Music Composer
Daniel Haller
Production Design
Roger Corman
Director
Floyd Crosby
Director of Photography
Harry Reif
Set Decoration
Roger Corman
Producer
Daniel Haller
Art Direction
Bartlett A. Carré
Production Supervisor
Samuel Z. Arkoff
Executive Producer
Al Simms
Music Coordinator
John Bury Jr.
Sound
James H. Nicholson
Executive Producer
Jack Bohrer
Assistant Director
Marjorie Corso
Costume Supervisor
Robert Agnew
Unit Manager
Edgar Allan Poe
Short Story
Karl Brainard
Property Master
Ted Coodley
Makeup Artist
Gene Corso
Sound Editor
Betty Pedretti
Hairstylist
Eve Newman
Music Editor
Ross Hahn
Construction Coordinator
Pat Dinga
Special Effects
Harry L. Underwood
Camera Operator