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Jaime Avellán as Alfredo Contreras |
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Carmen de Ronda as Laura Ferrez |
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Manuel Monroy as Santiago Carter |
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Carmen López Lagar as Madre de Alfredo |
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Manuel Gas as Inspector Varela |
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Miguel Fleta as Pedro Casanovas |
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Julio Gallego as Juan Volpini "Perrini" |
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Ramón Martori as Fiscal jefe |
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Paquita Ferrándiz as Nati |
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Ángela Velasco as Novie de Perrini |
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Luis Induni as El Rubio |
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Pedro Mascaró as Don Antonio, joyero |
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Jesús Colomer as Marcelino Pérez Gil, testigo |
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Juanita Espín as Flora Martínez, patrona |
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Joaquín Regález as Juez |
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Antonio Miras as Testigo |
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Alfredo Herrero as |
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Gonzalo Medel as Policía |
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César Pombo as Pistolero |
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Carlos Ronda as Policía Ramírez |
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Ramón Quadreny as Otro testigo |
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Pedro Gil as Redactor de La Vanguardia |
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Felip Peña as Testigo en juicio |
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Luis Villasiul as Médico en juicio |
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Salvador Garrido as Alguacil |
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María Calvo as |
| Sound | Ricardo Lamotte de Grignón | Original Music Composer |
| Camera | Federico G. Larraya | Director of Photography |
| Writing | Ricardo Gascón | Writer |
| Writing | Manuel R. Cabello | Screenplay |
| Directing | Ricardo Gascón | Director |
| Editing | Ramón Biadiú | Editor |
| Writing | Manuel R. Cabello | Story |
| Art | Alfonso de Lucas | Set Decoration |
