Cast & crew
G.P.U. (1942)
Directed by Karl Ritter Written by Karl Ritter, Felix Lützkendorf, Andrews Engelmann
Cast
| Will Quadflieg | Salt Peter |
| Arthur Reinhardt | Helfer |
| Marina von Ditmar | Irina Spalko |
| Lale Andersen | Sängerin |
| Maria Bard | Vorsitzende |
| Laura Solari | Olga |
| Albert Lippert | Hoteldirektor |
Crew
| Andrews Engelmann | Idea |
| Karl Ritter | Screenplay |
| Felix Lützkendorf | Screenplay |
| Andrews Engelmann | Screenplay |
| Karl Ritter | Director |
| Herbert Windt | Music |