 |
Rod La Rocque as Dr. Carl Lawrence |
 |
Leni Riefenstahl as Ellen Lawrence |
 |
Sepp Rist as Dr. Johannes Brand |
 |
Gibson Gowland as John Dragan |
 |
Max Holzboer as Dr. Jan Matushek |
|
Walter Riml as Fritz Kuemmel |
 |
Ernst Udet as Himself |
| Writing | Arnold Fanck | Story |
| Writing | Tom Reed | Screenplay |
| Directing | Tay Garnett | Director |
| Writing | Edwin H. Knopf | Dialogue |
| Directing | Arnold Fanck | Director |
