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

Sergeant Jim Hobbson

Tony Collins

Sergeant Hoag

Dede Marshall

Paul Harrison

Dona Anna

George, Chauffeur

Henry, the Butler

Daniel 'Dan' Lister, Bartender

Apartment Manager

Captain Johnson

Alonzo (uncredited)

Defense Attorney (uncredited)

Beemis (uncredited)

Party Guest (uncredited)
January 29, 1964

Margaret DeLorca / Edith Phillips

Sergeant Jim Hobbson

Tony Collins

Sergeant Hoag

Dede Marshall

Paul Harrison

Dona Anna

George, Chauffeur

Henry, the Butler

Daniel 'Dan' Lister, Bartender

Apartment Manager

Captain Johnson

Alonzo (uncredited)

Defense Attorney (uncredited)

Beemis (uncredited)

Party Guest (uncredited)
