Sceneggiatura

• Louise Long — writer
• Roland Pertwee — theatre play
• Hope Loring — writer
• Harold Dearden — theatre play
• Julian Johnson — writer
• Ernest Pascal — dialogue

Fotografia

• J. Roy Hunt — director of photography

Regia

• Lothar Mendes — director
• Roy Pomeroy — director

Cast

• William Powell — Philip Voaze
• Evelyn Brent — Deborah Kane
• Clive Brook — Sir John Marlay
• Doris Kenyon — Faith Marlay
• Tom Ricketts — Charles Smith
• Brandon Hurst — Inspector Haynes
• Louis Payne — Childers
• Wilfred Noy — Dr. Gray
• Donald Stuart — Freddie
• Raymond Lawrence — Reporter
• Clyde Cook — Hearse Driver