Directed by
| Umberto Lenzi | ... | (as Hank Milestone) |
Writing Credits (in alphabetical order)
| Gianfranco Clerici | ... | (screenplay) (uncredited) |
| Gianfranco Clerici | ... | (story) (uncredited) |
| Anthony Fritz | ... | (screenplay) |
| Umberto Lenzi | ... | (story) (as Hank Milestone) |
| José Luis Martínez Mollá | ... | (screenplay) (uncredited) |
| José Luis Martínez Mollá | ... | (story) (uncredited) |
Cast (in credits order)
Produced by
| Edmondo Amati | ... | producer |
| Maurizio Amati | ... | executive producer |
| José Frade | ... | producer |
| Pierre Roitfeld | ... | associate producer |
Music by
| Riz Ortolani | ||
Cinematography by
| José Luis Alcaine | ||
Editing by
| Vincenzo Tomassi | ... | (as Vincent P. Thomas) |
Production Design by
| Giuseppe Bassan | ||
Set Decoration by
| Jean Boulet | ... | (as Joe Bassan) |
Costume Design by
| Luciano Sagoni | ||
Production Management
| Enrique Bellot | ... | production manager |
| Francisco Bellot | ... | production supervisor |
| Jean Galland | ... | production supervisor (as Jean Gallaud) |
| Jacques Garcia | ... | production manager |
| Giandomenico Stellitano | ... | production supervisor |
Second Unit Director or Assistant Director
| Enrico Bergier | ... | second unit director (as Enrique Bergier) (as Henry Bergier) |
| Léonard Guillain | ... | first assistant director |
Art Department
| Davide Bassan | ... | assistant production designer |
| Paolo Luciani | ... | props |
| Patrick Maugin | ... | props |
Sound Department
| Michael Billingsley | ... | sound editor |
| Marcel Corvaisier | ... | sound engineer (as Marcel Pierre Corvaisier) |
| Fred De Croce | ... | sound editor |
| Romano Pampaloni | ... | sound mixer |
| William Robert Sivel | ... | sound engineer (as William Sivel) |
| Georges Vaglio | ... | sound engineer |
Special Effects by
| Giovanni Corridori | ... | special effects |
| John Patterson | ... | special effects |
Stunts
| Franco Fantasia | ... | stunt coordinator (as Frank Farell) |
| Massimo Pittarello | ... | stunts |
| Michel Berreur | ... | stunts (uncredited) |
| Tito Tomassini | ... | stunts (uncredited) |
Camera and Electrical Department
| Fred Allison | ... | still photographer |
| Patrick Beran | ... | second assistant camera |
| Giovanni Bonivento | ... | first assistant camera |
| Carlo Alberto Cocchi | ... | still photographer |
| Jimmy Fredrickson | ... | second camera operator |
| Michel Lebon | ... | camera operator |
| Filippo Neroni | ... | second assistant camera |
| Myron Perry | ... | assistant camera |
| Roland Reffet | ... | chief gaffer |
| Mario Sbrenna | ... | camera operator |
Costume and Wardrobe Department
| Ida Cristofori | ... | seamstress |
| Georgette Mouleau | ... | wardrobe (as Georgette Meauleau) |
| Jo Ranzatto | ... | assistant costume designer (as Joe Ranzato) |
Editorial Department
| Carlo Della Corte | ... | assistant editor |
| Lamberto Mancini | ... | assistant editor |
| Lambert Norton | ... | assistant editor |
| Tom Sherman | ... | assistant editor |
| Pietro Tomassi | ... | assistant editor |
Music Department
| Riz Ortolani | ... | conductor |
Script and Continuity Department
| Elvira D'Amico | ... | script supervisor |
| Stephanie Fisher | ... | script girl |
Additional Crew
| Carla Crovato | ... | production secretary |
| Catherine Dieudonné | ... | production secretary (as Catherine Dieudonne) |
| Mary Johnson | ... | production secretary |
| Mario Natale | ... | publicist |
| Cesare Barbetti | ... | voice dubbing: George Hamilton (uncredited) |
| Pino Colizzi | ... | voice dubbing: Horst Buchholz (uncredited) |
| Christopher Cruise | ... | voice dubbing: Jean-Pierre Cassel (uncredited) |
| Manlio De Angelis | ... | voice dubbing: Jean-Pierre Cassel (uncredited) |
| Vittoria Febbi | ... | voice dubbing: Anne Duperey (uncredited) |
| Pino Locchi | ... | voice dubbing: Sam Wanamaker (uncredited) |
| Gianni Marzocchi | ... | voice dubbing (uncredited) |
| Mario Milita | ... | voice dubbing: Franco Fantasia (uncredited) |
| Franco Odoardi | ... | voice dubbing (uncredited) |
| Giuseppe Rinaldi | ... | voice dubbing: George Peppard (uncredited) |
| Rita Savagnone | ... | voice dubbing: Capucine (uncredited) |
| Alessandro Sperlì | ... | voice dubbing (uncredited) |
| Daniele Tedeschi | ... | voice dubbing (uncredited) |
| Massimo Turci | ... | voice dubbing: Ray Lovelock (uncredited) |
| Renato Turi | ... | voice dubbing: Howard Vernon (uncredited) |
| Serena Verdirosi | ... | voice dubbing: May Heatherly (uncredited) |