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Rosario Granados as Rosario |
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Tito Junco as Julio Mistral |
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Julio Villarreal as Don Carlos Montero |
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Joaquín Cordero as Carlos |
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Xavier Loyá as Miguel |
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Elda Peralta as Luisa |
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Jaime Calpe as Carlitos |
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Eva Calvo as Rita, enfermera |
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Miguel Manzano as Doctor |
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Ricardo Adalid as Cliente de Carlos (uncredited) |
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Daniel Arroyo as Invitado a fiesta (uncredited) |
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Rodolfo Calvo as Don Feliciano (uncredited) |
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Ángel Infante as González (uncredited) |
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Blanca Marroquín as Sirvienta (uncredited) |
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Roberto Meyer as Don Nicolás Palafox (uncredited) |
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Inés Murillo as Chole (uncredited) |
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Humberto Rodríguez as Empleado de don Carlos (uncredited) |
| Writing | Jaime Salvador | Dialogue |
| Writing | Guy de Maupassant | Novel |
| Writing | Jaime Salvador | Adaptation |
| Directing | Luis Buñuel | Director |
| Crew | Rodolfo Usigli | Additional Dialogue |
| Writing | Luis Buñuel | Screenplay |
| Directing | Mario Llorca | Assistant Director |
| Camera | Raúl Martínez Solares | Director of Photography |
| Production | J. Luis Busto | Unit Production Manager |
| Production | Sergio Kogan | Producer |
| Editing | Jorge Bustos | Editor |
| Camera | Cirilo Rodríguez | Camera Operator |
| Sound | Antonio Bustos | Sound Editor |
| Sound | Rodolfo Benítez | Sound Recordist |
| Sound | Rafael Ruiz Esparza | Sound Re-Recording Mixer |
| Lighting | Carlos Nájera | Gaffer |
| Art | Gunther Gerszo | Production Design |
| Sound | Raúl Lavista | Original Music Composer |
