Cast
- Bing Crosby as Professor Frederick Danvers
- Jack Oakie as Barney Shirrel
- Richard Arlen as Mondrake
- Mary Carlisle as Barbara Shirrel
- George Burns as George Burns
- Gracie Allen as Gracie Allen
- Mary Kornman as Amber Davis
- Joe Sawyer as Tex Roust
- Lona Andre as Ginger Chadwick
- Jimmy Conlin as Dr. Mandel
Crew
- Wesley Ruggles · Director
- Frank Butler · Writer
- Claude Binyon · Writer
- Dean Fales · Writer
- William LeBaron · Producer
- Leo Tover · Cinematographer