Directed by
| José María Forqué | ... | (as J.Mª Forqué) |
Writing Credits
| P.B. Mercur | ... | (based on a true story compiled by) |
| Alfonso Sastre | ... | (as A. Sastre) |
| José María Forqué | ... | (as J.Mª Forqué) |
Cast (in credits order)
| Richard Morse | ... | Clint Hall | |
| Mabel Karr | ... | Kathy | |
| Antonio Alfonso Vidal | ... | Sharpe (as Alfonso Vidal) | |
| Carlos Ballesteros | ... | Desgarbado | |
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Mara Goyanes | ... | Delincuente |
| Manuel Díaz González | ... | Kincaid | |
| Nora Samsó | ... | Sra. Hobson (as Nora Sanso) | |
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Patrick Laurence | ... | Juez McGrath |
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Maurice Marsall | ... | Abogado Starlac |
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Jacinto Martín | ... | O'Connor |
| Adolfo Marsillach | ... | Captain Clark | |
| Antonio Jiménez Escribano | ... | Krusch | |
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Anastasio Alemán | ... | John Gerald |
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Rafael Luis Calvo | ... | Harris |
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Héctor Bianciotti | ... | Paddy (as Héctor Bianchotti) |
| Luis Morris | ... | Martin | |
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Mike Brendel | ... | Ex-boxeador |
| Enrique Ávila | ... | Mickey | |
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Luis Meiral | ... | Tony |
| Carlos Mendy | ... | Sacerdote | |
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Fred Goddard | ... | Anderson |
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Loubroth | ... | Gobernador |
| Rest of cast listed alphabetically: | |||
| Joaquín Bergía | ... | Guardabosques (uncredited) | |
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Rafael Cortés | ... | Preso (uncredited) |
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Juan de Haro | ... | Fiscal (uncredited) |
| Rufino Inglés | ... | Preso (uncredited) | |
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Trudy Losada | ... | Enfermera (uncredited) |
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Enrique Macedo | ... | (uncredited) |
Produced by
| Margarita Alexandre | ... | producer |
| José Luis Jerez Aloza | ... | line producer (as José Jerez Aloza) |
| Rafael María Torrecilla | ... | producer (as Rafael Torrecilla) |
Music by
| Miguel Asins Arbó | ... | (as M. Asins Arbó) |
Cinematography by
| Antonio L. Ballesteros | ... | (as A.L. Ballesteros) |
Editing by
| José Antonio Rojo | ||
Art Direction by
| Eduardo Torre de la Fuente | ||
Set Decoration by
| Eduardo Torre de la Fuente | ... | (as Eduardo T. de la Fuente) |
Makeup Department
| Carlos Paradela | ... | assistant makeup artist |
| Mercedes Paradela | ... | hair stylist |
| Julián Ruiz | ... | makeup artist |
Production Management
| José Luis Jerez Aloza | ... | production manager |
Second Unit Director or Assistant Director
| Jaime D'Ors | ... | second assistant director |
| Sinesio Isla | ... | assistant director |
| Luis Méndez | ... | assistant director |
Art Department
| Adolfo Fernández | ... | property master |
| Francisco Prósper | ... | construction coordinator (as Prósper) |
| Horacio Rodríguez | ... | assistant set decorator (as H. Rodríguez) |
Sound Department
| Antonio Alonso | ... | sound engineer (as A. Alonso) |
| Paul Boistelle | ... | sound |
Camera and Electrical Department
| Simón López | ... | still photographer |
| Eduardo Noé | ... | camera operator |
| Luis Peña | ... | assistant camera |
Editorial Department
| Concepción Piño | ... | assistant editor (as Conchita Pino) |
Music Department
| Arevalillo | ... | soloist |
| Jesús Franco | ... | composer: jazz music (as J. Franco All Stars) |
| Joe Moro | ... | soloist |
| Napoleón | ... | soloist |
Script and Continuity Department
| Lucía Martín | ... | script supervisor |
Additional Crew
| Gustavo Quintana | ... | production assistant |
| José Salcedo | ... | second production assistant |
| Héctor Cantolla | ... | voice dubbing: Rafael Luis Calvo- redubbing (uncredited) |
| Gonzalo Durán | ... | voice dubbing- redubbing (uncredited) |
| Luis Gaspar | ... | voice dubbing: Carlos Mendy- redubbing (uncredited) |
| Javier Martín | ... | voice dubbing: Mike Brendel- redubbing (uncredited) |
| Luis Marín | ... | voice dubbing: Antonio Jiménez Escribano- redubbing (uncredited) |
| Eduardo Moreno | ... | voice dubbing: Manuel Díaz González- redubbing (uncredited) |
| Fernando Nogueras | ... | voice dubbing: Antonio Alfonso Vidal- redubbing (uncredited) |
| José Padilla | ... | voice dubbing: Jacinto Martín- redubbing (uncredited) |
| Víctor Valverde | ... | voice dubbing: Fred Goddard- redubbing (uncredited) |