Directed by
| Juan Bosch | ||
Writing Credits (in alphabetical order)
| Juan Bosch | ... | (writer) |
| Alberto De Stefanis | ... | (writer) |
| Dashiell Hammett | ... | (novel) |
| Jason E. Squire | ... | (story by) |
Cast (in credits order)
 |
Chet Bakon | ... | OP |
| Diana Lorys | ... | Dinah | |
| Roberto Camardiel | ... | Sheriff Noonan | |
| Daniel Martín | ... | Max Thaler | |
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Nat Greenwood | ... | (as Nat Graywood) |
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Adolfo Thous | ||
| Luciano Pigozzi | ... | Don Wilson (as Alan Collins) | |
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Eduardo Bea | ||
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Francisco Clement | ... | (as Frank Clement) |
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Francisco Casares | ||
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Manuela Alcardi | ... | (as Manuela Aleardi) |
| Lone Fleming | ... | Sra. Wilson | |
| Antonio Mayans | ... | (as José Antonio Mayans) | |
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José Yepes | ||
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Jesús Enguita | ||
| Antonio Molino Rojo | ... | Peter | |
Produced by
| José María Cunillés | ... | producer |
| Antonio Girasante | ... | producer |
| Alberto Grimaldi | ... | executive producer |
| Luis Marin | ... | producer |
Music by
| Franco Julian | ||
Cinematography by
| Gino Santini | ||
Editing by
| José Antonio Rojo | ||
Set Decoration by
| Cruz María Baleztena | ||
Costume Design by
| Dafne Ciarrocchi | ||
Makeup Department
| Adonella De Rossi | ... | makeup artist |
Production Management
| Renzo David | ... | production supervisor |
| Vincenzo Manzollino | ... | production secretary |
Second Unit Director or Assistant Director
| Roberto Giandalia | ... | assistant director |
| Zacarías Urbiola | ... | assistant director |
Sound Department
| Umberto Picistrelli | ... | sound |
Camera and Electrical Department
| Giancarlo Granatelli | ... | assistant camera |
| Ricardo Navarrete | ... | camera operator |
| Angelo Pennoni | ... | still photographer |
| Edmondo Pisani | ... | camera operator |
| Santiago Zuazo | ... | focus puller |
Editorial Department
| Ugo De Rossi | ... | assistant editor |
| Concepción Piño | ... | assistant editor |
Script and Continuity Department
| Margarita Fernández | ... | script supervisor |
| Clara Tamburini | ... | script supervisor |
Additional Crew
| Rafael Arcos | ... | voice dubbing (uncredited) |
| Francisco Arenzana | ... | voice dubbing (uncredited) |
| Manuel Cano | ... | voice dubbing: Chet Bakon (uncredited) |
| Juan Miguel Cuesta | ... | voice dubbing (uncredited) |
| Javier Franquelo | ... | voice dubbing: Antonio Molino Rojo (uncredited) |
| Teófilo Martínez | ... | voice dubbing: Luciano Pigozzi (uncredited) |
| María Luisa Rubio | ... | voice dubbing: Lone Fleming (uncredited) |
