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Pepe Arias as José Eluterio Costa "El Profesor Cero" |
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Zully Moreno as María Emilia Núñez / Zulema Ríos |
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Enrique García Satur as Don Teodoro Bargueño / Juan Aníbal Gómez |
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Ada Cornaro as |
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Carlos Cores as |
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Osvaldo Miranda as Ernesto Barrera |
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Juan José Piñeiro as Raúl Seco |
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Elvira Quiroga as Doña Rosa |
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Baby Correa as Doña Prudencia de Bargueño |
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Julio Renato as Jefe del Registro Civil |
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Graciliano Batista as |
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Liana Moabro as Rubia en el Dancing Plaza |
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Carmen Giménez as Tía de Ernesto |
| Sound | Mario Maurano | Music |
| Editing | Jorge Gárate | Editor |
| Art | Raúl Soldi | Art Direction |
| Directing | Enrique Cahen Salaberry | Assistant Director |
| Directing | Luis César Amadori | Director |
| Writing | Luis César Amadori | Writer |
| Crew | Antonio Merayo | Cinematography |
