Police try to track down a hooded serial killer who murders his victims with a combination of acid and poison gas
| Directing | Alfred Vohrer | Director |
| Writing | Harald G. Petersson | Screenplay |
| Production | Horst Wendlandt | Producer |
| Sound | Martin Böttcher | Music |
| Camera | Karl Löb | Director of Photography |
| Writing | Herbert Reinecker | Screenplay |
| Writing | Edgar Wallace | Novel |
| Editing | Jutta Hering | Editor |
