- Lyle Talbot
- Capt. Robert Owen
- June Duprez
- Inga Beckering
- Victor Varconi
- Col. Otto von Ritter
- George N. Neise
- Lt. Erik Falken
- Charley Rogers
- Sgt. Harry Hall
- Paul Baratoff
- Gen. Heden
- Leslie Denison
- Capt. Ralph Deane
- Crane Whitley
- Doctor
- Sven Hugo Borg
- Dalberg
- Eric Wilton
- Gen. Lloyd
- Pierce Lyden
- Braun - Ritter's Aide
- John Beck
- Mr. Sandling - Beggar
- Robert Fischer
- Maj. Von Memel
- Sigfrid Tor
- German Lieutenant
- Brian O'Hara
- Lammet - Radio Broadcaster
- 'Snub' Pollard
- Bertie - Messenger / Orderly
- Bruce Kellogg
- Sentry
