The Bigamist (1953)

Director: Ida Lupino
Cast: Edmond O'Brien, Edmund Gwenn, Ida Lupino, Jane Darwell, Joan Fontaine, Kenneth Tobey, Lillian Fontaine, Peggy Maley

Synopsis:

San Francisco businessman Harry Graham and his wife and business partner, Eve, are in the process of adopting a child. When private investigator Mr. Jordan uncovers the fact that Graham has another wife, Phyllis, and a small child in Los Angeles, he confesses everything.