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Rafael Bardem as Insp. Costa |
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Ana Mariscal as Isabel Espinosa |
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Adriano Rimoldi as John Brand |
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María Martín as Jacqueline |
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Conrado San Martín as Carlos Ferrer |
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Osvaldo Genazzani as El hombre del tren |
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José Isbert as Matías Orellano |
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Ángel Picazo as Mayor Bromfield |
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Juny Orly as Pilar |
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Pedro Cabré as Javier Ferrer |
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María Severini as Señora de Javier Ferrer |
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Emilio Goya as Policía |
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Jesús Castro Blanco as Pierre |
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Modesto Cid as Presidente del tribunal |
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Lupe de Molina as Mary Lou |
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José Ramón Giner as Cartero |
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María Esperanza Navarro as Telefonista |
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Rafael Navarro as Fiscal |
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Francisco Pérez-Dolz as Oficial de la Resistencia Belga |
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José Soler as Revisor de tren |
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Eugenio Testa as Dupre |
| Directing | Antonio Román | Director |
| Writing | Julio Coll | Writer |
| Camera | Pablo Ripoll | Second Assistant Camera |
| Camera | Carlos Pérez de Rozas | Still Photographer |
| Costume & Make-Up | Manuel Pertegaz | Costumer |
| Writing | Alfonso Sánchez | Writer |
| Writing | Manuel Tamayo | Writer |
| Directing | Julio Salvador | Assistant Director |
| Camera | Mario Bistagne | Camera Operator |
| Camera | Jules Kruger | Director of Photography |
| Costume & Make-Up | Práxedes Martínez | Assistant Makeup Artist |
| Directing | Francisco Pérez Riba | Script Supervisor |
| Editing | Antonio Isasi-Isasmendi | Editor |
| Art | Juan Alberto Soler | Set Decoration |
| Directing | Jesús Castro Blanco | Assistant Director |
| Costume & Make-Up | Antonio Turell | Makeup Artist |
| Production | Miguel Grau | Production Manager |
| Costume & Make-Up | Manuel Falo | Hairstylist |
| Editing | Pascual Bibian | Assistant Editor |
| Art | Juan Zaro | Property Master |
| Sound | Ramón Ferrés | Music |
