Simone Simon was to make her American screen debut in this movie in the role of Cigarette, but director Frank Lloyd demanded she be fired after two weeks of shooting because of her temperamental attitude. When she was replaced by Claudette Colbert, all Simon's footage was discarded.
Professional knife thrower Steve Clemente was supposed to hit the post next to Ronald Colman with his knife, but the crowding caused it to be deflected and Colman was hit in the chest by the handle.