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Maricruz Olivier as Teresa Martínez |
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Fernando Rey as Profesor Héctor de la Barrera |
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Beatriz Aguirre as Luisa de la Barrera |
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Héctor Godoy as Mario Vázquez |
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Luis Beristáin as José Antonio Meyer |
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Manolita Saavedra as Aurora |
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José Luis Jiménez as Don Armando |
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Alicia Montoya as Josefina |
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Dolores Tinoco as Sra. de López |
| Editing | Alfredo Rosas Priego | Editor |
| Art | Manuel Fontanals | Production Design |
| Production | Rodolfo Rosas Priego | Producer |
| Crew | Raúl Martínez Solares | Cinematography |
| Sound | Antonio Díaz Conde | Music |
| Camera | Cirilo Rodríguez | Camera Operator |
| Sound | Jean Sibelius | Music |
| Writing | Edmundo Báez | Dialogue |
| Directing | Alfredo B. Crevenna | Director |
| Writing | Mimí Bechelani | Story |
