Directed by
| Jesús Franco | ||
Writing Credits
| Charles Exbrayat | ... | (novel) |
| Jesús Franco | ... | (as J. Franco) & |
| Gonzalo Sebastián de Erice | ... | (as G.S. de Erice) & |
| Juan Cobos | ... | (writer) |
Cast (in credits order)
| Fernando Fernán Gómez | ... | Sargento Detective Miguel Mora (as Fernando Fernán-Gómez) | |
| Jean Servais | ... | Maurice Leprince | |
| Laura Granados | ... | Pilar | |
| Antonio Prieto | ... | Comisario Vargas | |
| Robert Manuel | ... | Puig | |
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Maria Vincent | ... | Nina Laverne |
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Dina Loy | ... | Juanita |
| Agustín González | ... | Antonio Ribera | |
| Manuel Gas | ... | Miralles | |
| Luis Marín | ... | Manolo | |
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Ángel Menéndez | ... | Jimmy |
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Serafín García Vázquez | ... | Juan Solano |
| Jacinto San Emeterio | ... | Abogado de Leprince | |
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Joaquín Pamplona | ... | Ayudante del comisario |
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Davidson Hepburn | ... | Chico Torres |
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Greta Marcos | ... | Fulana |
| Antonio Jiménez Escribano | ... | (as Giménez-Escribano) | |
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Antonio Padilla | ||
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Javier de Rivera | ||
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José Luis Zalde | ... | (as 'Zalde') |
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Pilar Vela | ... | Madre de Juan |
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Lola del Pino | ... | Camarera (as Lolita del Pino) |
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María Rosa Mallén | ||
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Blanquita Diwoney | ||
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Enrique Navarro | ||
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Gonzalo Linares | ||
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José Castell | ||
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Emiliano Lizares | ||
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Tomás de Molina | ||
| Rest of cast listed alphabetically: | |||
| Frank Braña | ... | Mario Alonso (uncredited) | |
| Rafael Hernández | ... | Policía en control carretera (uncredited) | |
Produced by
| Pío Ballesteros | ... | executive producer |
| Jesús Franco | ... | associate producer |
| José López Brea | ... | producer |
Music by
| Daniel White | ... | (as Daniel J. White) |
Cinematography by
| Godofredo Pacheco | ... | (as Godo Pacheco) |
Editing by
| Ángel Serrano | ||
Production Design by
| Trino Trives | ... | (as Trino Martínez-Trives) |
Set Decoration by
| Teddy Villalba | ||
Makeup Department
| Mercedes Guillot | ... | assistant makeup artist |
| Emilio Puyol | ... | makeup artist |
Production Management
| José Pedro Villanueva | ... | unit production manager |
Second Unit Director or Assistant Director
| Gonzalo Sebastián de Erice | ... | assistant director (as Gonzalo S. de Erice) |
Art Department
| Gumersindo Andrés | ... | assistant set decorator |
| Augusto Lega | ... | set builder |
| Mengíbar | ... | props |
Sound Department
| Felipe Fernández | ... | sound |
Camera and Electrical Department
| Jesús Giménez | ... | second assistant camera |
| Miguel Guzmán | ... | still photographer (as Miguel Gúzmán) |
| Jorge Herrero | ... | camera operator |
| Saturnino Pita | ... | assistant camera |
Costume and Wardrobe Department
| Angelines Castro | ... | seamstress |
Editorial Department
| Felisa Rueda | ... | assistant editor (as Fely Rueda) |
| María Luisa Soriano | ... | assistant editor (as Maruja Soriano) |
Script and Continuity Department
| Lucía Martín | ... | script supervisor |
Additional Crew
| José Luis Lorente | ... | second production assistant |
| José Salcedo | ... | production assistant |
| Francisco Yagüe | ... | second production assistant |
| Héctor Zaraspe | ... | choreographer |
| Valeriano Andrés | ... | voice dubbing: Frank Braña (uncredited) |
| José Luis Baltanás | ... | voice dubbing: Antonio Jiménez Escribano (uncredited) |
| Vicente Bañó | ... | voice dubbing: Jean Servais (uncredited) |
| Pilar Calvo | ... | voice dubbing: Pilar Vela (uncredited) |
| Rafael de Penagos | ... | voice dubbing: Rafael Hernández/various (uncredited) |
| María del Puy | ... | voice dubbing: Dina Loy (uncredited) |
| Pilar Gentil | ... | voice dubbing: Greta Marcos (uncredited) |
| Mari Ángeles Herranz | ... | voice dubbing: Laura Granados (uncredited) |
| Fernando Mateo | ... | voice dubbing: Ángel Menéndez/Davidson Hepburn/various (uncredited) |
| José María Prada | ... | voice dubbing: Robert Manuel (uncredited) |
| Ana María Saizar | ... | voice dubbing: Maria Vincent (uncredited) |