Bette Davis, Karl Malden, Peter Lawford, Philip Carey, Jean Hagen, George Macready, Estelle Winwood, George Chandler, Mario Alcalde, Cyril Delevanti, Monika Henreid, Bert Remsen, Charles Watts, Ken Lynch, Jon Lormer
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.