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Jorge Mistral as Mario Sandoval |
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Laura Hidalgo as Andrea |
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Evangelina Elizondo as Novia de Mario |
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Manuel Monroy as Pablo Medina |
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Juan Calvo as Maestro D. Miguel |
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Rafael Bardem as Dr. Núñez |
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Amelia de la Torre as Eloísa |
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Matilde Muñoz Sampedro as Tía Amparo |
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Carlos Díaz de Mendoza as Tío Alberto |
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Luis Domínguez Luna as |
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Antonio Fornis as |
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Mercedes Servet as |
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Manolita Contarini as |
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Rufino Inglés as |
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Valentino Sancai as |
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José María Martín as |
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Teresa del Río as |
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Pilar Yagüe as |
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Alfonso de la Vega as |
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Maruja Ruiz as |
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Carmen Alcalde as |
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Emilio Goya as |
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Jerónimo Montoro as |
| Costume & Make-Up | Eduardo Lerchundi | Costume Design |
| Crew | Ricardo Torres | Cinematography |
| Crew | Ramón de Campoamor | Poem |
| Directing | León Klimovsky | Director |
| Writing | Eduardo Borrás | Story |
| Writing | León Klimovsky | Writer |
| Production | Alberto Soifer | Producer |
| Editing | Antonio Gimeno | Editor |
| Sound | Isidro B. Maiztegui | Music |
| Writing | Luis Fernando de Igoa | Writer |
| Art | Eduardo Torre de la Fuente | Production Design |
