- Fay Wray
- Carol Mathews - Posing as Carol Evans
- Grant Withers
- CPO Steve Fletcher - Posing as Steve Roberts
- Craig Reynolds
- CPO Jimmy Woodford
- Wilhelm von Brincken
- Cronjer - Spy Ring Chief
- Robert Frazer
- Fletcher - Posing as Peter
- Dewey Robinson
- Nick Salado - Café Owner
- George Sorel
- Slavins - Spy Ring Member
- André Cheron
- Joe Benji - Bar Owner / Spy
- Joseph Crehan
- Capt. Daly - Navy Intelligence Officer
- Duke York
- Babe - Henchman
- Arthur Housman
- Pickpocket - Posing as a Singing Drunk
- Joseph W. Girard
- Navy Captain
- I. Stanford Jolley
- Cabbie
