Dr. Carlo Lombardi
Chester Morris
Andrea Talbott / Elizabeth Wetherby
Marla English
Bob, the ex-fiancé
William Hudson
Marta, the Maid
Flo Bert
Mrs. Brown
Jeanne Evans
Police Doctor with Prof. Anderson
Kenneth MacDonald
Lombardi's Lawyer
Jack Mulhall
Professor Anderson
Edward Earle
Party Guest
Bess Flowers
The She-Creature
Paul Blaisdell
King the Dog
Spike
Timothy Chappel
Tom Conway
Dorothy Chappel
Cathy Downs
Dr. Ted Erickson
Lance Fuller
Police Lt. Ed James
Ron Randell
Mrs. Chappel
Frieda Inescort
Plainclothes Sgt. with Lt James
Frank Jenks
Olaf, the butler
El Brendel
Johnny, the barker
Paul Dubov
Director
Edward L. Cahn
Creature Design
Editor
Ronald Sinclair
Executive Producer
Samuel Z. Arkoff
Director of Photography
Frederick E. West
Story
Lou Rusoff
Producer
Alex Gordon
Original Music Composer
Ronald Stein
Screenplay
Production Supervisor
Bartlett A. Carré
Associate Producer
Israel M. Berman
Art Direction
Don Ament
Assistant Director
Makeup Artist
Jack Dusick
Idea
Jerry Zigmond
Set Decoration
Harry Reif