James Warwick's play opened on Broadway in New York City, New York, USA on 24 September 1935 and closed in January 1936 after 119 performances. The opening night cast included George Coulouris as Dr. Shelby and Roy Hargrave as Hal Wilson.
This film was re-made as The Dark Past. It starred Lee J. Cobb as the psychiatrist and William Holden as the killer.