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António Vilar as Henrique |
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Mara Cruz as Olga |
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Paul Naschy as Sergio Meletes |
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Carlos José Teixeira as Inspector Pratas |
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Magdalena de Soto as Vera |
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Ramón Centenero as Quinis |
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Rebeca Reyes as Erika |
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Carlos Romero Marchent as Luís |
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María Elena Arpón as Mónica |
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María Kosty as Helen |
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Antonio Casas as Don Ricardo |
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Hugo Blanco as Jorge |
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Eduardo Calvo as Sandro |
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Beni Deus as Comisario |
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Luís Tito as |
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Madalena Sotto as Vera |
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Victor de Sousa as Boy at the nightclub (uncredited) |
| Writing | Paul Naschy | Story |
| Writing | Paul Naschy | Screenplay |
| Directing | Rafael Romero Marchent | Director |
| Sound | Antón García Abril | Original Music Composer |
| Camera | Miguel Fernández Mila | Director of Photography |
| Writing | António Vilar | Screenplay |
| Production | António Vilar | Producer |
