- Karl Ludwig Diehl
- Hagen
- Hermann Speelmans
- Brack, his sidekick
- Brigitte Horney
- Manuela Ortiguez
- Hans Leibelt
- Morron, Manuela's advisor
- Siegfried Schürenberg
- Conner, British friend
- Charlotte Schultz
- Phedra, Manuela's black servant
- Ernst Rotmund
- Duval
- Ludwig Trautmann
- Capt. Jefferson
- Hans Zesch-Ballot
- English Naval Officer
- Willy Birgel
- English Camp Commandant
- Willi Schur
- Dohm, POW escape leader
- Günther Hadank
- Dr. Hellfritz, POW
- Paul Wegener
- Ship stoker
- Else Reval
- Lady on the ship
