- Paul Kelly
- Duke Donovan
- Arline Judge
- Margie Simpson
- Mona Barrie
- Evelyn Howard
- Gregory Ratoff
- Ivan Petroff
- Sammy Cohen
- Grimy
- Edward Brophy
- Crowley
- Halliwell Hobbes
- Prof. Howard
- Andrew Tombes
- Adams
- Ernie Alexander
- Harry Goodfellow
- George Chandler
- Brooks - Purser
- Wade Boteler
- Detective Lieutenant
- Stanley Blystone
- Detective
- Frank Hagney
- Ox
- Charles Stevens
- Malay Mike
- Robert Homans
- Police Chief
- Herbert Ashley
- (uncredited)
- Mischa Auer
- (uncredited)
- Tom O'Grady
- Detective
- Richard Powell
- (uncredited)
- Joan Woodbury
- Senorita
