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Luis Hurtado as Fernando Amil |
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Blanca de Silos as Lina |
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Carmen Viance as Teresa Amil |
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Nicolás D. Perchicot as Elías Morell |
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Rafaela Satorrés as Marina |
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Manuel de Juan as Loquero 1 |
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Antonio Bayón as Criado |
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Luis Latorre as Director del manicomio |
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Antonio L. Estrada as Loquero 2 |
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José Ocaña as Ventero (uncredited) |
| Directing | Antonio Román | Director |
| Writing | Wenceslao Fernández Flórez | Story |
| Writing | Antonio Román | Screenplay |
| Writing | Pedro de Juan | Screenplay |
| Sound | José Muñoz Molleda | Original Music Composer |
| Editing | Juan J. Doria | Editor |
| Art | Francisco Escriñá | Production Design |
| Art | Francisco Escriñá | Set Decoration |
| Camera | Heinrich Gärtner | Director of Photography |
