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Analía Gadé as Desirée Charrier |
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Jean Sorel as Teniente Barney Holmes |
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Espartaco Santoni as Dr. Javier Echevarría |
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José Luis López Vázquez as Terence |
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Stephen Boyd as León Urrutía, joyero |
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Mabel Karr as Madame Chantal |
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George Rigaud as Mr. Stanley (as Jorge Rigeaut) |
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Beni Deus as |
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José Riesgo as Capitán de Scotland Yard |
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Ramón Ferrer as |
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Eva León as Enfermera |
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Rosanna Pardo as |
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Saturno Cerra as |
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Ernesto Vañes as |
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Antonio Orengo as |
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Melquiades Álvarez as |
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Francisco Agudín as |
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Félix Acaso as Mr. Decker (voice) (uncredited) |
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Ángel Ter as Voz del magnetofón (voice) (uncredited) |
| Directing | Pedro Lazaga Sabater | Director |
| Writing | Pedro Lazaga Sabater | Writer |
| Art | Manuel Rincón | Property Master |
| Camera | Francisco Sempere | Director of Photography |
| Directing | José Luis Pérez Tristán | Assistant Director |
| Costume & Make-Up | Francisca Guillot | Hairstylist |
| Camera | Julio Wizuete | Still Photographer |
| Art | José Antonio de la Guerra | Set Decoration |
| Art | Roberto Fandiño | Title Designer |
| Editing | Juan Pisón | Editor |
| Costume & Make-Up | Miguel Sesé | Makeup Artist |
| Production | José Villafranca | Production Manager |
| Production | Espartaco Santoni | Executive Producer |
| Writing | Santiago Moncada | Writer |
| Directing | Maribel Ruiz Capilla | Script Supervisor |
| Camera | Francisco Beringola | Assistant Camera |
| Camera | José García Galisteo | Camera Operator |
| Sound | Jaime Pérez | Music |
| Production | Enrique González Macho | Production Assistant |
| Production | Gustavo Quintana | Production Manager |
| Camera | José María Redal | Assistant Camera |
