| Credited cast: |
 | Bernhard Goetzke | - | Korvettenkapitän Barnow |
 | Ágnes Eszterházy | - | Erika Barnow (as Agnes Esterhazy) |
 | Nils Asther | - | Tropedooffizier Günther Adenried |
| Rest of cast listed alphabetically: |
 | Hans Albers | - | Oberheizer Tim Kreuger |
 | Bobbie Bender | - | Fähnrich (as Bobby Bender) |
 | Henry Bender | - | Röwers Kompanion |
 | Eugen Burg | - | Wilhelm H. Elsberg |
 | Heinrich George | - | Obermaat Röwer |
 | Käthe Haack | - | Anna Sass, "Wirtin der Weltkugel" |
 | Dary Holm | - | Hilde Elsberg |
 | Hans Mierendorff | - | Kapitän des "Großherzog" |
 | Werner Pittschau | - | Kapititänleutnant Fritz Kämpf |
 | Camilla Spira | | |
 | Henry Stuart | - | Commander Norton |
 | Otz Tollen | | |