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Joachim Fuchsberger as Inspector Bryan Edgar Higgins |
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Heinz Drache as James W. Wesby |
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Sophie Hardy as Elise |
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Siegfried Lowitz as Inspector Warren / Henry Arthur Milton |
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Margot Trooger as Cora Ann Milton |
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Siegfried Schürenberg as Sir John |
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Eddi Arent as Finch |
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Carl Lange as Reverend Hopkins |
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Jochen Brockmann as Maurice Messer |
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Karl John as Shelby |
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Kurt Waitzmann as Reddingwood |
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René Deltgen as Henry Arthur 'Der Hexer' Milton |
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Tilo von Berlepsch as Empfangschef |
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Anneli Sauli as Jean Osbourne |
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Hilde Sessak as Wardress |
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Petra von der Linde as Gwenda Milton |
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Wilhelm Vorwerg as Priest |
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Joachim Wolff as Waiter |
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Gerd Martienzen as Newspaper Seller |
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Alfred Vohrer as Edgar Wallace / Funker (voice) |
| Camera | Karl Löb | Director of Photography |
| Editing | Jutta Hering | Editor |
| Directing | Alfred Vohrer | Director |
| Writing | Herbert Reinecker | Screenplay |
| Production | Horst Wendlandt | Producer |
| Writing | Edgar Wallace | Novel |
| Camera | Lilo Winterstein | Still Photographer |
| Costume & Make-Up | Willi Nixdorf | Makeup Artist |
| Camera | Ernst Zahrt | Assistant Camera |
| Art | Walter Rother | Props |
| Production | Fritz Klotsch | Executive Producer |
| Art | Wilhelm Vorwerg | Art Direction |
| Writing | Harald G. Petersson | Writer |
| Production | Alfred Arbeiter | Production Manager |
| Art | Helmut Deukert | Props |
| Sound | Clemens Tütsch | Sound |
| Costume & Make-Up | Charlotte Kersten | Makeup Artist |
| Costume & Make-Up | Hannelore Wessel | Costume Designer |
| Art | Walter Kutz | Art Direction |
| Directing | Eva Ebner | Assistant Director |
| Sound | Peter Thomas | Original Music Composer |
