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Elena Barrios as Hermana Esperanza |
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José Nieto as Lazlo |
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Manolo Morán as Hermano Bartolomé |
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Nicolás D. Perchicot as Padre Elías |
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Vicente Ávila as Hart |
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Félix Dafauce as Ericson |
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Rosa Palomar as Selma |
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María Martín as Mariela |
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Miguel Ángel Reina as |
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Francisco Vilay as |
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Severo Somontes as |
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Rubén Bantú as |
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José Luis Rico as |
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Manuel Rojas as |
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Conchita Muller as Niña (no acreditado) |
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Nicasio as Niño (no acreditado) |
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Bienvenido as Niño (no careditado) |
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Antonio as Niño (no acreditado) |
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Expedito Claravall as Niño (no acreditado) |
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María Mahor as Niña (no acreditado) |
| Writing | José María Elorrieta | Story |
| Editing | Félix Suárez Inclán | Editor |
| Art | Eduardo Torre de la Fuente | Set Decoration |
| Directing | José María Elorrieta | Director |
| Writing | John Davis Hart | Writer |
| Writing | Rafael J. Salvia | Writer |
| Camera | Miguel Fernández Mila | Director of Photography |
| Production | Sidney W. Pink | Producer |
| Sound | Fernando García Morcillo | Original Music Composer |
