Directed by
| Joe D'Amato | ... | (as Aristide Massaccesi) |
Writing Credits (in alphabetical order)
| Claudio Bernabei | ... | (screenplay) (as C. Bernabei) |
| Joe D'Amato | ... | (screenplay) (as A. Massaccesi) |
| Joe D'Amato | ... | (story) (as Aristide Massaccesi) |
| Romano Scandariato | ... | (screenplay) (as R. Scandariato) |
Cast (in credits order) complete, awaiting verification
| Ewa Aulin | ... | Greta von Holstein | |
| Klaus Kinski | ... | Dr. Sturges | |
| Giacomo Rossi Stuart | ... | Dr. Herbert von Ravensbrück | |
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Angela Bo | ... | Eva von Ravensbrück |
| Sergio Doria | ... | Walter von Ravensbrück | |
| Attilio Dottesio | ... | Inspector Dannick | |
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Marco Mariani | ... | Simeon |
| Luciano Rossi | ... | Franz von Holstein | |
| Fernando Cerulli | ... | Professor Kempte (as Franco Cerulli) | |
| Carla Mancini | ... | Gertrude | |
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Giorgio Dolfin | ... | Maier |
| Rest of cast listed alphabetically: | |||
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Tony Askin | ... | Sturges Corpse (uncredited) |
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Evelyn Melcher | ... | Gertrud - The Maid (uncredited) |
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Oscar Sciamanna | ... | Party Guest (uncredited) |
| Pietro Torrisi | ... | Dr. Sturges' Mute Assistant (uncredited) | |
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Mira Vidotto | ... | Mask Ball Guest (uncredited) |
Produced by
| Oscar Santaniello | ... | supervising producer |
Music by
| Berto Pisano | ||
Cinematography by
| Joe D'Amato | ... | director of photography (as Aristide Massaccesi) |
Editing by
| Piera Bruni | ||
| Gianfranco Simoncelli | ||
Production Design by
| Claudio Bernabei | ||
Costume Design by
| Claudio Bernabei | ||
Makeup Department
| Maria Grazia Nardi | ... | makeup artist |
Production Management
| Massimo Alberini | ... | production supervisor |
| Sergio Rosa | ... | production supervisor |
| Oscar Santaniello | ... | production manager (as Oskar Santaniello) |
Second Unit Director or Assistant Director
| Romano Scandariato | ... | assistant director |
Art Department
| Claudio Bernabei | ... | sets |
Sound Department
| Franco Rucci | ... | sound |
Camera and Electrical Department
| Gianlorenzo Battaglia | ... | assistant camera |
| Guglielmo Vincioni | ... | camera operator |
Costume and Wardrobe Department
| Tigano Lo Faro | ... | costumes |
Music Department
| Berto Pisano | ... | conductor (as Berto Pisani) |
Additional Crew
| Massimo Alberini | ... | production assistant |
| Sergio Rosa | ... | production assistant |
| Emilio Cigoli | ... | voice dubbing: Attilio Dottesio (uncredited) |
| Pierangelo Civera | ... | voice dubbing: Giacomo Rossi Stuart (uncredited) |
