Directed by
| Sergio Sollima | ||
Writing Credits (in alphabetical order)
| Sergio Donati | ... | (screenplay) |
| Sergio Donati | ... | (story) |
| Sergio Sollima | ... | (screenplay) |
| Sergio Sollima | ... | (story) |
| Antonio del Amo | ... | (screenplay) |
| Antonio del Amo | ... | (story) |
Cast (in credits order)
| Stewart Granger | ... | Jimmy Merrill | |
| Daniela Bianchi | ... | Evelyn | |
| Peter van Eyck | ... | Oscar Rubeck | |
 |
Giulio Bosetti | ... | Erik |
| Manolita Barroso | ... | Betty Lou (as María Granada) | |
| Beni Deus | ... | Moran (as Benny Deus) | |
| Luis Induni | ... | Charles Bressart | |
|
|
Enrique Navarro | ... | Galvao |
| Franco Andrei | ... | John O'Brien | |
|
|
Wolfgang Hillinger | ... | Alexej (as Wolf Hillinger) |
| Mirella Pamphili | ... | Stripper (as Mirella Panfili) | |
| John Karlsen | ... | Franco | |
| Gianni Rizzo | ... | Atenopoulos | |
| Giorgia Moll | ... | Edith | |
| Rest of cast listed alphabetically: | |||
|
|
Howard Nelson Rubien | ... | The Professor (uncredited) |
Produced by
| Alberto Grimaldi | ... | producer |
Music by
| Antonio Pérez Olea | ||
Cinematography by
| Carlo Carlini | ||
Editing by
| Francisco Jaumandreu | ... | (as Francisco Jaumeandreu) |
| Waltraut Lindenau | ... | (German version) |
Art Direction by
| Román Calatayud | ||
| Teddy Villalba | ... | (as Tadeo Villaba) |
Costume Design by
| Nadia Vitali | ||
Makeup Department
| Raul Ranieri | ... | makeup artist |
Production Management
| Thomas Sagone | ... | production manager (as Tommaso Sagone) |
| Averoe Stefani | ... | production supervisor (as Averoc Stefani) |
Second Unit Director or Assistant Director
| Andrés Vich | ... | assistant director |
| Nino Zanchin | ... | assistant director |
Art Department
| Nicola Tamburo | ... | assistant set dresser (as Nicola Tamburro) |
Sound Department
| Armando Bondani | ... | boom operator (as Bondani Armando) |
| Renato Caldonazzo | ... | sound editor |
| Vittorio Massi | ... | sound |
Stunts
| Artemio Antonini | ... | stunts (uncredited) |
Camera and Electrical Department
| Gastone Di Giovanni | ... | camera operator |
| Ruggero Radicchi | ... | assistant camera |
Script and Continuity Department
| Carla Fierro | ... | script girl |
Additional Crew
| Lamberto Andreani | ... | production secretary |
| Saverio D'Eugenio | ... | technical advisor |
| Fiorella Betti | ... | voice dubbing: María Granada (uncredited) |
| Gianni Bonagura | ... | voice dubbing: Gianni Rizzo (uncredited) |
| Sergio Graziani | ... | voice dubbing: Wolfgang Hillinger (uncredited) |
| Ursula Herwig | ... | voice dubbing: Giorgia Moll (uncredited) |
| Harald Leipnitz | ... | voice dubbing: Stewart Granger (uncredited) |
| Pino Locchi | ... | voice dubbing: Stewart Granger (uncredited) |
| Carlo Romano | ... | voice dubbing: Beni Deus (uncredited) |
| Rita Savagnone | ... | voice dubbing: Daniela Bianchi (uncredited) |
| Renato Turi | ... | voice dubbing: Peter van Eyck (uncredited) |
