The working class twin sister of a callous wealthy woman impulsively murders her out of revenge and assumes the identity of the dead woman. But impersonating her dead twin is more complicated and risky than she anticipated.
Margaret DeLorca / Edith Phillips
Bette Davis
Sergeant Jim Hobbson
Karl Malden
Tony Collins
Peter Lawford
Sergeant Hoag
Philip Carey
Dede Marshall
Jean Hagen
Paul Harrison
George Macready
Dona Anna
Estelle Winwood
George, Chauffeur
George Chandler
Garcia
Mario Alcalde
Henry, the Butler
Cyril Delevanti
Janet
Monika Henreid
Daniel 'Dan' Lister, Bartender
Bert Remsen
Apartment Manager
Charles Watts
Captain Johnson
Ken Lynch
Alonzo (uncredited)
Jon Lormer
Organist at Edie's Bar (uncredited)
Perry Blackwell
Defense Attorney (uncredited)
Charles Meredith
Beemis (uncredited)
Bryan O'Byrne
Party Guest (uncredited)
Leoda Richards
Margaret DeLorca (uncredited)
Connie Cezon
Tom Marshall (uncredited)
Charles Fredericks
Funeral Attendee (uncredited)
Herschel Graham