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Ninón Sevilla as Alicia / Nelly |
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Víctor Junco as Dr. Ignacio Pendas |
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Luis Aldás as Piraña (Jorge) |
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Anita Blanch as Julia Galván |
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César del Campo as Muñeco |
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Jorge Mondragón as Inspector Alvez |
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Carolina Barret as Luisa |
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Octávio Arias as Felipe Rios |
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José Luis Chávez as Mesero |
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Manuel Texeiro as |
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Glauce Rocha as |
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Jorge Goulart as |
| Camera | Alex Phillips | Director of Photography |
| Directing | Alberto Gout | Director |
| Sound | Ary Barroso | Music |
| Writing | Alberto Gout | Screenplay |
| Writing | Alvaro Custodio | Writer |
| Writing | José Carbó | Adaptation |
| Production | Guillermo Calderón | Producer |
| Sound | Antonio Díaz Conde | Music |
| Art | Manuel Fontanals | Production Design |
| Production | Pedro A. Calderón | Producer |
| Editing | Alfredo Rosas Priego | Editor |
