Chester Morris
Dr. Carlo Lombardi
Marla English
Andrea Talbott / Elizabeth Wetherby
Tom Conway
Timothy Chappel
Cathy Downs
Dorothy Chappel
Lance Fuller
Dr. Ted Erickson
Ron Randell
Police Lt. Ed James
Frieda Inescort
Mrs. Chappel
Frank Jenks
Plainclothes Sgt. with Lt James
El Brendel
Olaf, the butler
Paul Dubov
Johnny, the barker