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Francisco Álvarez as Dr. Roque Goñi |
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Mirtha Legrand as Mirtha Rogelli, "Trencita" |
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Silvia Legrand as Silvia Arriaga |
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Maruja Gil Quesada as Teresa |
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Roberto Airaldi as Ricardo Arriaga |
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Hilda Sour as Nilda Kraus |
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Oscar Valicelli as Raúl Arriaga |
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Arturo Bamio as |
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Elisa Labardén as |
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Fernando Campos as |
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Julio Renato as |
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Haydeé Larroca as |
| Writing | Luis César Amadori | Writer |
| Sound | Mario Maurano | Music |
| Directing | Luis César Amadori | Director |
| Art | José Luis Ocampo | Production Design |
| Directing | Enrique Cahen Salaberry | Assistant Director |
| Art | Ricardo Rodríguez Remy | Production Design |
| Camera | Alberto Etchebehere | Director of Photography |
| Editing | Jorge Gárate | Editor |
