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