Seymour Krelborn
Jonathan Haze
Audrey Fulquard
Jackie Joseph
Wilbur Force
Jack Nicholson
Det. Frank Stoolie
Jack Warford
Leonora Clyde
Meri Welles
Dr. Phoebus Farb
John Herman Shaner
Waitress
Dodie Drake
Screaming Patient/ Audrey Junior (voice) / Burglar (uncredited)
Charles B. Griffith
Man in Crowd Outside Shop (uncredited)
Frank Mills
Drunk (uncredited)
Jack Griffin
Tramp (uncredited)
Robert Coogan
Gravis Mushnick
Mel Welles
Burson Fouch
Dick Miller
Winifred Krelborn
Myrtle Vail
Shirley
Karyn Kupcinet
Teenage Girl
Toby Michaels
Siddie Shiva
Leola Wendorff
Mrs. Hortense Feuchtwanger
Lynn Storey
Det. Sgt. Joe Fink / Narrator
Wally Campo
Director
Roger Corman
Producer
Writer
Screenplay
Second Unit Director
Art Direction
Daniel Haller
Cinematography
Vilis Lapenieks
Music
Ronald Stein
Sound Recordist
Jim Dixon
Editor
Marshall Neilan Jr.
Director of Photography
Archie R. Dalzell
Original Music Composer
Fred Katz
Makeup Artist
Harry Thomas
Assistant Director
Richard Dixon
Philip Mitchell
Property Master
Karl Brainard