The Dark Mirror (1947)

A man is found murdered, and witnesses are sure about the woman they saw leaving his apartment. However, it becomes apparent that the woman has a twin, and finding out which one is the killer seems impossible.

Director: Robert Siodmak

Cast: Olivia de Havilland, Lew Ayres, Thomas Mitchell, Richard Long, Charles Evans, Garry Owen, Lela Bliss, Lester Allen, Jean Andren, Rodney Bell, Lane Chandler, Jack Cheatham, Oliver Cross, Ben Erway, Bess Flowers, Jack Gargan, William Halligan, Charles McAvoy