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Helmut Berger as Dr. Frank Flamand |
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Brigitte Lahaie as Nathalie |
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Telly Savalas as Terry Hallen |
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Christopher Mitchum as Sam Morgan |
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Stéphane Audran as Mrs. Sherman |
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Caroline Munro as Barbara Hallen |
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Christiane Jean as Ingrid Flamand |
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Anton Diffring as Dr. Karl Heinz Moser |
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Tilda Thamar as Mrs. Francois |
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Howard Vernon as Dr. Orloff |
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Florence Guérin as Florence Guérin |
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Gérard Zalcberg as Gordon |
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Henri Poirier as Inspector Legris |
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Laure Sabardin as La réceptionniste |
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Amelie Chevalier as Mélissa |
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Marcel Philippot as Maxence |
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Tony Awak as Doudou |
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Mony Dalmès as La Baronne |
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Doris Thomas as La cantatrice |
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Daniel Beretta as L'homme du Bois de Boulogne |
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Antonina Laurent as Karen |
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Isabelle Cnokaert as Gina |
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Nicky Gorska as Femme Vitriol |
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Jean Tolzac as Concierge Hôtel |
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Jacques Couderc as Employé Morgue |
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Pascale Vital as La Barmaid |
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Lina Romay as Mme Orloff |
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Alain Barbier as Rachid |
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Thierry Fouques as Le secrétaire |
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Daniel Grimm as Wallace |
| Writing | René Chateau | Writer |
| Directing | Jesús Franco | Director |
| Production | René Chateau | Producer |
| Sound | Anne Le Campion | Sound Recordist |
| Costume & Make-Up | Éric Pierre | Key Makeup Artist |
| Sound | Jean-Louis Ducarme | Sound Designer |
| Art | Yan Arlaud | Set Decoration |
| Camera | Jean-Jacques Bouhon | Director of Photography |
| Costume & Make-Up | Soraya Boulay | Makeup Artist |
| Writing | Jean Mazarin | Writer |
| Writing | Michel Lebrun | Writer |
| Writing | Jesús Franco | Writer |
| Writing | Pierre Ripert | Writer |
| Writing | Dominique Eudes | Writer |
| Camera | Maurice Fellous | Director of Photography |
| Sound | Jack Jullian | Sound Mixer |
| Art | Bernard Giberot | Production Design |
| Editing | Christine Pansu | Editor |
| Sound | Romano Musumarra | Original Music Composer |
