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Armando Bó as Julio Villán |
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Isabel Sarli as Flavia |
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Ernesto Báez as Capanga |
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Andrés Laszlo as Max Forkel |
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Victorino Baez Irala as |
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Raul Valentino Benítez as |
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Ernesto Báez as |
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Félix Ribero as |
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Luis Leguisamón as |
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Eladio Martinez as |
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Leandro S. Cacavelos as |
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Roque Centurión Miranda as |
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Anibal Romero as |
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Matias Ferreira Diaz as |
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Javier Franco as |
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Alejo Vargas as |
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Nieves Esquivel as |
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Adolfo Cuellar as |
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Luis Guastalla as |
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Kika Da Silva as |
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Manuel E. B. Argüello as |
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Guillermo Ketterer as |
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Rafael Rojas Doria as |
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Amadora García as |
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César Alvarez Blanco as |
| Writing | Augusto Roa Bastos | Author |
| Crew | Enrique Walfisch | Cinematography |
| Writing | Augusto Roa Bastos | Writer |
| Editing | Rosalino Caterbetti | Editor |
| Camera | Enrique Wallfisch | Director of Photography |
| Directing | Armando Bó | Director |
| Sound | Eladio Martinez | Music |
| Production | Nicolas Bo | Producer |
| Production | Armando Bó | Producer |
| Production | Bautista Peinetti | Producer |
| Production | Luis di Tore | Producer |
| Editing | J. France | Editor |
| Directing | Carlos E. López | Assistant Director |
| Editing | Margarita Brondolo | Assistant Editor |
| Production | Antonio P. Motti | Head of Production |
| Camera | José Galetini | Key Grip |
| Directing | Ofelia Carmen de Wallfisch | Script Supervisor |
| Production | Juan Pitrau | Production Manager |
| Costume & Make-Up | Sigisfredo Piccone Bardón | Makeup Artist |
| Sound | Germán Szulem | Sound |
