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Fred Williams as Inspector Thomas |
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Jack Taylor as Farkas / Mabuse |
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Beni Cardoso as Leslie |
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Moisés Augusto Rocha as Andros |
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Friedrich Joloff as Hermann |
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Ewa Strömberg as Jenny |
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Gustavo Re as Melou |
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Eva Garden as Wanda Orloff |
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Siegfried Lowitz as Dr. Orloff |
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Ángel Menéndez as Prof. Parkinson |
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Jesús Franco as Crosby / Drunk Man in Nightclub |
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Roberto Camardiel as Carlos |
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Andrea Montchal as John Paganini |
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Manuel Merino as FBI Agent Marx |
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Guillermo Méndez as CIA Agent |
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Linda Hastreiter as Andro's First Victim |
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Monica Swinn as |
| Directing | Jesús Franco | Director |
| Writing | Jesús Franco | Screenplay |
| Sound | Jesús Franco | Original Music Composer |
| Production | Artur Brauner | Producer |
| Production | Ignacio Gutiérrez | Producer |
| Production | Karl Heinz Mannchen | Executive Producer |
| Sound | Rolf Kühn | Original Music Composer |
| Camera | Manuel Merino | Director of Photography |
| Production | Ignacio Gutiérrez | Production Manager |
| Editing | Renate Engelmann | Editor |
| Editing | Juan Pisón | Editor |
| Art | Hans-Jürgen Kiebach | Set Decoration |
| Costume & Make-Up | Ruth Keller | Makeup Artist |
| Costume & Make-Up | Ángeles Otal | Makeup Artist |
| Directing | Ricardo Franco | Assistant Director |
| Directing | Rudolf Hertzog | Assistant Director |
| Directing | Emilio Martínez Lázaro | Assistant Director |
| Sound | Max Galinsky | Sound |
