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Armando Bó as Héctor 'Balazo' López |
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Óscar Rovito as Mario Lopez |
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Miriam Sucre as María del Carmen Alvarado de López |
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Francisco Pablo Donadío as Alvarado |
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Pedro Laxalt as El suicida |
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Héctor Armendáriz as |
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Alberto Rinaldi as |
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Rolando Dumas as |
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Nelson de la Fuente as |
| Directing | Leopoldo Torres Ríos | Director |
| Directing | Leopoldo Torre Nilsson | Director |
| Production | Armando Bó | Producer |
| Crew | Enrique Wallfisch | Cinematography |
| Editing | Rosalino Caterbetti | Editor |
| Sound | Germán Szulem | Sound |
| Writing | Rafael García Ibáñez | Writer |
| Writing | Leopoldo Torres Ríos | Writer |
| Sound | José Rodríguez Faure | Music |
| Writing | Armando Bó | Idea |
| Writing | Leopoldo Torre Nilsson | Writer |
| Sound | Alberto Gnecco | Music |
