Arthur Milton aka Der Hexer (The Magician/Ringer) must return to London after his calling card was left at the scene of a murder he did not commit.
| Camera | Karl Löb | Director of Photography |
| Writing | Will Tremper | Screenplay |
| Directing | Alfred Vohrer | Director |
| Writing | Herbert Reinecker | Screenplay |
| Production | Horst Wendlandt | Producer |
| Editing | Jutta Hering | Editor |
| Writing | Edgar Wallace | Novel |
| Sound | Peter Thomas | Original Music Composer |
| Sound | Clemens Tütsch | Sound |
| Directing | Eva Ebner | Assistant Director |
| Costume & Make-Up | Ina Stein | Costume Design |
| Art | Walter Kutz | Production Design |
| Art | Wilhelm Vorwerg | Production Design |
| Production | Eberhard Junkersdorf | Location Manager |
| Costume & Make-Up | Gisela Nixdorf | Dresser |
| Costume & Make-Up | Hermann Belitz | Dresser |
| Camera | Ernst Zahrt | Assistant Camera |
| Camera | Lilo Winterstein | Still Photographer |
| Camera | Dan Cohen | Assistant Camera |
| Editing | Evelyn Siewert | Assistant Editor |
| Production | Fritz Klotsch | Executive Producer |
| Costume & Make-Up | Willi Nixdorf | Makeup Artist |
| Costume & Make-Up | Charlotte Kersten | Makeup Artist |
| Production | Harry Wilbert | Unit Manager |
| Production | Eberhard Junkersdorf | Unit Manager |
| Art | Walter Rother | Props |
| Art | Helmut Deukert | Props |
