In this German detective thriller, swindlers using a false charity as a front send a hit man around London to murder wealthy people whose deaths can benefit the organization. This film is one of a very large number of German Scotland-Yard thrillers based on the novels of Edgar Wallace.
| Writing | Edgar Wallace | Novel |
| Directing | Alfred Vohrer | Director |
| Sound | Peter Thomas | Original Music Composer |
| Production | Horst Wendlandt | Producer |
| Camera | Karl Löb | Director of Photography |
| Editing | Jutta Hering | Editor |
| Art | Walter Kutz | Production Design |
| Art | Wilhelm Vorwerg | Production Design |
| Costume & Make-Up | Ingrid Zoré | Costume Design |
| Costume & Make-Up | Charlotte Kersten | Makeup Artist |
| Costume & Make-Up | Willi Nixdorf | Makeup Artist |
| Production | Herbert Kerz | Production Manager |
| Production | Fritz Klotsch | Production Manager |
| Directing | Michael Erdmann | Assistant Director |
| Sound | Gerhard Müller | Sound |
| Writing | Alfred Vohrer | Screenplay |
| Writing | Horst Wendlandt | Screenplay |
