The Bigamist is a 1953 American drama film noir directed by Ida Lupino starring Joan Fontaine, Ida Lupino, Edmund Gwenn and Edmond O'Brien. Producer/Screenwriter Collier Young was married to Fontaine at the time and had previously been married to Lupino. The Bigamist has been cited as the first American feature film in which the female star of a film directed herself.