Scotland Yard investigates a series of murders where the victims have died by snake venom poisoning.
| Production | Horst Wendlandt | Producer |
| Directing | Alfred Vohrer | Director |
| Writing | Harald G. Petersson | Screenplay |
| Sound | Peter Thomas | Original Music Composer |
| Writing | Edgar Wallace | Novel |
| Crew | Karl Löb | Cinematography |
| Production | Preben Philipsen | Producer |
| Production | Jacques Willemetz | Producer |
| Editing | Hermann Haller | Editor |
