Directed by
| Joaquín Luis Romero Marchent | ||
Writing Credits (in alphabetical order)
| Lewis E. Ciannelli | ||
| Luis Gaspar | ||
| Jeff Lassiter | ... | (novel) |
| Francesco Prosperi | ... | (as Franco Prosperi) |
| Joaquín Luis Romero Marchent | ||
Cast (in credits order)
| John Richardson | ... | Dan Cassey | |
 |
Gloria Milland | ... | Margot Dancy |
| Evi Marandi | ... | Jovita | |
| Fernando Sancho | ... | El Lobo | |
| Eduardo Fajardo | ... | Villarda | |
|
|
Luis Gaspar | ... | Sebas |
| José María Caffarel | ... | Boris Pietroff | |
| Rest of cast listed alphabetically: | |||
| Luis Barboo | |||
|
|
Rossella Bergamonti | ||
|
|
Chiro Bermejo | ||
| Xan das Bolas | |||
| Tito García | |||
|
|
Mia Genberg | ||
|
|
Patrizia Giammei | ||
| Manuel Guitián | ... | O'Hara | |
| Rafael Hernández | |||
| Luis Induni | ... | Matón de Villarda | |
| Víctor Israel | ... | Esbirro de Villarda | |
|
|
Delfi Mauro | ||
|
|
Guillermo Méndez | ||
| Roberto Rey | ... | Darcy | |
| Emilio Rodríguez | ... | Ortega | |
|
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Diana Sorel | ||
| Ángel Ter | |||
Music by
| Gianni Ferrio | ||
Cinematography by
| Federico G. Larraya | ||
Editing by
| Mercedes Alonso | ||
| Giancarlo Cappelli | ... | editor: Italian version |
| Mario Morra | ||
Production Management
| Apolinar Rabinal | ... | production manager |
Second Unit Director or Assistant Director
| Mariano Canales | ... | first assistant director |
| Miguel Gil | ... | second assistant director |
Art Department
| Juan García Delgado | ... | property master |
Special Effects by
| Antonio Parra | ... | special effects technician / special effects |
Additional Crew
| Ramón Baillo | ... | production assistant |
| Gianfranco Bellini | ... | voice dubbing: Luis Gaspar |
| Manlio Busoni | ... | voice dubbing: José María Caffarel |
| Vittoria Febbi | ... | voice dubbing: Evi Marandi |
| Lauro Gazzolo | ... | voice dubbing: Manuel Guitián |
| Pino Locchi | ... | voice dubbing: John Richardson |
| Luigi Pavese | ... | voice dubbing: Fernando Sancho |
| Bruno Persa | ... | voice dubbing |
| Rita Savagnone | ... | voice dubbing: Gloria Milland |
| Renato Turi | ... | voice dubbing: Eduardo Fajardo |
| Vicente Bañó | ... | voice dubbing: Fernando Sancho (uncredited) |
| José María Cordero | ... | voice dubbing: Emilio Rodríguez (uncredited) |
| Benjamín Domingo | ... | voice dubbing: Tito García (uncredited) |
| Joaquín Escola | ... | voice dubbing (uncredited) |
| José Guardiola | ... | voice dubbing: Luis Induni (uncredited) |
| Mari Ángeles Herranz | ... | voice dubbing: Gloria Milland (uncredited) |
| Celia Honrubia | ... | voice dubbing: Evi Marandi (uncredited) |
| Jesús Nieto | ... | voice dubbing (uncredited) |
| Simón Ramírez | ... | voice dubbing: John Richardson (uncredited) |
| Carlos Revilla | ... | voice dubbing: Victor Israel (uncredited) |
| Ana María Saizar | ... | voice dubbing (uncredited) |
| Pedro Sempson | ... | voice dubbing (uncredited) |
| Joaquín Vidriales | ... | voice dubbing: Roberto Rey (uncredited) |
