Directed by
| Carlos Aured | ||
Writing Credits (in alphabetical order)
| Paul Naschy | ... | (story and screenplay) (as Jacinto Molina) |
Cast (in credits order) complete, awaiting verification
| Paul Naschy | ... | Alaric de Marnac / Hugo de Marnac / Armand de Marnac | |
| Emma Cohen | ... | Elvire | |
| Víctor Barrera | ... | Maurice Roland / André Roland (as Vic Winner) | |
| Helga Liné | ... | Mabille De Lancré | |
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Betsabé Ruiz | ... | Silvie (as Betsabe Ruiz) |
| Luis Ciges | ... | Alain 'Le Raté' | |
| Julio Peña | ... | Jean | |
| María José Cantudo | ... | Chantal (as Maria Jose Cantudo) | |
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Juan Cazalilla | ... | Gastón |
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Francisco Llinás | ... | René |
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Ramón Centenero | ... | André Govar (as Ramon Centenero) |
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Montserrat Julió | ... | Odile |
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Francisco Nieto | ... | Hubard |
| Elsa Zabala | ... | Madame Irina Komarova | |
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Esther Santana | ... | Joven Hermosa |
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Cristina Suriani | ... | Paula |
| Rest of cast listed alphabetically: | |||
| Marcia Bell | ... | Marcia (uncredited) | |
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Pedro Bravo | ... | Efebo (uncredited) |
| José Martínez Blanco | ... | Narrador (uncredited) | |
Produced by
| Ricardo Muñoz Suay | ... | executive producer |
| J.A. Pérez Giner | ... | executive producer (as José Antonio Pérez Giner) |
| Modesto Pérez Redondo | ... | producer |
Music by
| Carmelo A. Bernaola | ||
Cinematography by
| Manuel Merino | ... | director of photography |
Editing by
| Javier Morán | ||
Set Decoration by
| Gumersindo Andrés | ||
Makeup Department
| Ramona González | ... | makeup artist (as Ramona González Escribano) |
| Vicenta Palmero | ... | hair stylist |
| Julián Ruiz | ... | makeup creator (as Julian Ruiz) |
Production Management
| Modesto Pérez Redondo | ... | production manager (as Modesto Perez Redondo) |
Second Unit Director or Assistant Director
| Zacarías Urbiola | ... | assistant director (as Zacarias Urbiola) |
Art Department
| Gumersindo Andrés | ... | set designer (as Gumersindo Andres) |
| Vázquez Hermanos | ... | property master (as Vazquez Brothers) |
Special Effects by
| Antonio Molina | ... | special effects |
Camera and Electrical Department
| Luis Berraquero | ... | focus |
| Javier Pérez Zofio | ... | second cameraman (as Javier Perez Zofio) |
| Francisco Bermejo Miranda | ... | second assistant camera (uncredited) |
Costume and Wardrobe Department
| Humberto Cornejo | ... | wardrobe (as Cornejo) |
Editorial Department
| Amparo Roces | ... | assistant editor (as Amparo Fernández-Roces) |
Script and Continuity Department
| Blanca Astiasu | ... | script girl (as Blanca Astiazu) |
Additional Crew
| Ramón Escribano | ... | production assistant (as Ramon Escribano) |
| Juan de la Flor | ... | second production assistant |
| Pilar Calvo | ... | voice dubbing: Elsa Zabala (uncredited) |
| Héctor Cantolla | ... | voice dubbing: Paul Naschy as Hugo (uncredited) |
| Maripe Castro | ... | voice dubbing: Betsabé Ruiz (uncredited) |
| Lola Cervantes | ... | voice dubbing: Helga Liné (uncredited) |
| Juan Miguel Cuesta | ... | voice dubbing: Vic Winner (uncredited) |
| José Guardiola | ... | voice dubbing: Paul Naschy as Alaric (uncredited) |
| José Martínez Blanco | ... | voice dubbing: Ramón Centenero (uncredited) |
| José Moratalla | ... | voice dubbing (uncredited) |
| Mayte Santamarina | ... | voice dubbing: Cristina Suriani (uncredited) |
| Joaquín Vidriales | ... | voice dubbing: Juan Cazalilla/various (uncredited) |