The Invisible Terror (1963) — Cast
Cast
| Ellen Schwiers | Helen |
| Heinrich Gretler | Hauptkommissar Wiesner |
| Charles Regnier | Charley |
| Harry Fuß | |
| Ivan Desny | Lomm |
| Josef Menschik | |
| Raoul Retzer | |
| Ilse Steppat | Louise |
| Hans von Borsody | Dan Vogel |
| Hannes Schmidhauser | |
| Christiane Nielsen | Rita |
| Herbert Stass | Janke Feikema |
| Ena Valduga | |
| Erwin Strahl | |
| Herbert Fux | Rocco Lampone |
| Herta Freund | |
| Egon Peschka | |
| Bert Klaus | |
| Ema Damia | |
| Jean Thomé |
Crew
| Raphael Nussbaum | Director |
| Hannes Schmidhauser | Assistant Director |
| Leo Höger | Production Supervisor |
| Volodja Semitjov | Writer |