Directed by
| Roy Rowland | ||
Writing Credits
| Herbert Reinecker | ... | (screenplay) (as Alex Berg) & |
| Clarke Reynolds | ... | (screenplay) (as Clark Reynolds) |
| G. Schmidt | ... | (novel) (as G. Smith) |
| Francisco Gonzálvez | ... | (spanish version) (as Francisco Gozálvez) |
Cast (in credits order)
| Götz George | ... | Mace Carson | |
| Alexandra Stewart | ... | Lucy Walton | |
| Helmut Schmid | ... | Ken Denton | |
| Sieghardt Rupp | ... | Reno | |
| Daniel Martín | ... | Gringo (as Dan Martin) | |
 |
Silvia Solar | ... | Kate Rowland (as Sylvia Solar) |
| Pietro Tordi | ... | Sam Martin (as Peter Tordy) | |
| Hugo Pimentel | ... | Mac (as Hugo Pimentez) | |
|
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Franco Lantieri | ... | Tinnie |
|
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Valentino Macchi | ... | Tim Walton |
|
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Hilario Flores | ... | Dave Walton (as Hilario Fuertes) |
| Rest of cast listed alphabetically: | |||
|
|
Julio César Semper | ... | Pecos (uncredited) |
Produced by
| Alfons Carcasona | ... | producer |
| Eduardo de la Fuente | ... | line producer |
Music by
| Heinz Gietz | ||
Cinematography by
| Manuel Merino | ... | (as Mel Merino) |
Editing by
| Alfred Srp | ... | (as Fred Srp) |
Production Design by
| Hans Jürgen Kiebach | ... | (as Jürgen Kiebach) |
Set Decoration by
| Ramiro Gómez | ||
Makeup Department
| Tomasa Benito | ... | assistant makeup artist |
| Francisco Ramón Ferrer | ... | makeup artist |
| José Luis Morales | ... | assistant makeup artist |
Production Management
| Heinz Willeg | ... | production manager |
Second Unit Director or Assistant Director
| F.G. May | ... | second unit director |
| Lore Meyer-Döhner | ... | assistant director |
| Mahnahén Velasco | ... | assistant director |
Art Department
| Wolfgang Burmann | ... | assistant set decorator |
| Luis Ocaña | ... | property master |
Sound Department
| Kurt Dau | ... | sound |
| Bernhard Reicherts | ... | sound (as Bernhard Reichards) |
Camera and Electrical Department
| José Climent | ... | assistant camera |
| Antonio Ortas | ... | still photographer |
| Javier Pérez Zofio | ... | camera operator |
Editorial Department
| José Luis Anglés | ... | assistant editor: Spanish version |
| Pablo G. del Amo | ... | editor: Spanish version |
Additional Crew
| Horant H. Hohlfeld | ... | production assistant (as Horant Hohlfeld) |
| Primitivo Álvaro | ... | production assistant |
| Curt Ackermann | ... | voice dubbing: Pietro Tordi (uncredited) |
| Lothar Blumhagen | ... | voice dubbing: Sieghardt Rupp (uncredited) |
| Rainer Brandt | ... | voice dubbing: Daniel Martín (uncredited) |
| Uta Hallant | ... | voice dubbing: Alexandra Stewart (uncredited) |
| Heinz Petruo | ... | voice dubbing: Franco Lantieri/various (uncredited) |
| Siegfried Schürenberg | ... | voice dubbing: Hugo Pimentel (uncredited) |
| Fritz Tillmann | ... | voice dubbing (uncredited) |
