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Paul Naschy as Krisna / Kantaka / Satán |
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Romy as Elvire Irving |
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Mirta Miller as Kala |
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María Kosty as Elsie |
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Aurora de Alba as Olivia Mortimer |
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Luis Ciges as MacMurdo |
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Pierre Besari as Ti Zachary |
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Antonio Pica as Superintendent Hawkins |
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Elsa Zabala as Susan |
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Montserrat Julió as Flora |
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Ramón Lillo as Basehart |
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Norma Kastel as Gloria Irving |
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Ingrid Rabel as Muerta |
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Asunción Molero as Muerta |
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Fernando Sánchez Polack as Augusto |
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Alfonso de la Vega as Absalon |
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Víctor Barrera as Dr. Lawrence Radcliffe |
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Pedro «Pedrucho» Basauri as (uncredited) |
| Production | Ricardo Muñoz Suay | Executive Producer |
| Sound | Juan Carlos Calderón | Original Music Composer |
| Camera | Francisco Sánchez | Director of Photography |
| Production | José Antonio Pérez Giner | Executive Producer |
| Editing | Antonio Ramírez de Loaysa | Editor |
| Directing | León Klimovsky | Director |
| Writing | Paul Naschy | Screenplay |
| Writing | Paul Naschy | Story |
| Art | Gumersindo Andrés | Set Decoration |
| Costume & Make-Up | Miguel Sesé | Makeup Artist |
| Costume & Make-Up | Francisca Guillot | Hairstylist |
| Production | Modesto Pérez Redondo | Production Manager |
