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Arturo de Córdova as Alejandro Mangino |
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Gloria Marín as Lucía |
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Julio Villarreal as Maestro de psiquiatria |
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Manuel Arvide as Ricardo Molina |
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Octavio Martínez as Sebastián, mayordomo |
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Felipe Montoya as Primitivo |
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Manuel Noriega as Papá de Lucía (as Manolo Noriega) |
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Jesús Valero as Escultor |
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Lilia Michel as Cristina |
| Directing | Julio Bracho | Director |
| Camera | Alex Phillips | Director of Photography |
| Sound | Rodolfo Halffter | Music |
| Sound | Rafael Peón | Sound |
| Writing | Julio Bracho | Writer |
| Production | Mauricio de la Serna | Producer |
| Sound | Raúl Lavista | Original Music Composer |
| Editing | Jorge Bustos | Editor |
| Art | Jorge Fernández | Production Design |
| Art | José Llamas | Set Decoration |
| Costume & Make-Up | Margaret Vogel | Costume Design |
| Writing | Julio Bracho | Screenstory |
| Writing | Julio Bracho | Screenplay |
| Sound | Raúl Lavista | Music Director |
| Sound | Higinio Rubalcava | Musician |
| Sound | Xenia Prochorowa | Musician |
| Production | Alberto A. Ferrer | Production Manager |
| Directing | Américo Fernández | Assistant Director |
| Camera | Rosalío Solano | Camera Operator |
| Costume & Make-Up | Noemi Wallace | Makeup Department Head |
| Costume & Make-Up | Bertha Chiu | Hair Department Head |
| Sound | Howard E. Randall | Sound Director |
| Sound | Rafael Peón | Sound Recordist |
| Sound | Manuel Esperón | Music Sound Design and Processing |
