The Dark Mirror
Duration: 1h 25min
Actors: Olivia de Havilland, Lew Ayres, Thomas Mitchell, Richard Long, Charles Evans, Garry Owen, Lela Bliss, Lester Allen
A woman suspected of murdering her doctor boyfriend has an identical twin sister. When both twins have an alibi for the night of the murder, a psychiatrist is called in to assist a detective in solving the case. Through a series of tests, he discovers which twin actually committed the crime and in the course of his investigation he falls in love with the normal twin.