Directed by
| Sergio Martino | ... | (as Martin Dolman) |
Writing Credits
| Sergio Martino | ... | (story by) (as Martin Dolman) |
| Elisa Briganti | ... | (screenplay by) (as Elisabeth Parker Jr.) & |
| Sergio Martino | ... | (screenplay by) (as Martin Dolman) & |
| Saul Sasha | ... | (screenplay by) (as Saul Saska) & |
| John Crowther | ... | (screenplay by) |
| Lewis E. Ciannelli | ... | (additional dialogue) |
| Ernesto Gastaldi | ... | (screenplay) (uncredited) |
| Dardano Sacchetti | ... | (screenplay) (uncredited) |
Cast (in credits order) complete, awaiting verification
| Daniel Greene | ... | Paco Queruak | |
| Janet Agren | ... | Linda | |
| Claudio Cassinelli | ... | Peter Howell | |
| George Eastman | ... | Raul Morales | |
| Roberto Bisacco | ... | Cooper (as Robert Ben) | |
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Pat Monti | ||
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Andrea Coppola | ... | Eddie (as Andrew Louis Coppola) |
| Donald O'Brien | ... | Prof. Olster | |
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Frank Walden | ... | Detective |
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Darwyn Swalve | ... | Anatola Blanco |
| Amy Werba | ... | Dr. Peckinpah | |
| John Saxon | ... | Francis Turner | |
| Rest of cast listed alphabetically: | |||
| Bruno Bilotta | ... | Mosely Security Guard (uncredited) | |
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Omero Capanna | ... | Gunman with Helmet (uncredited) |
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Franco Fantasia | ... | Rev. Arthur Mosely (uncredited) |
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Dean Ricca | ... | Ronny (uncredited) |
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Sergio Testori | ... | Hunt (uncredited) |
| Alex Vitale | ... | Mosely Security Guard (uncredited) | |
Produced by
| Luciano Martino | ... | producer (as Frank Cook) |
Music by
| Claudio Simonetti | ||
Cinematography by
| Giancarlo Ferrando | ... | director of photography (as John McFerrand) |
Editing by
| Eugenio Alabiso | ... | (as Alan Beugen) |
Production Design by
| Massimo Antonello Geleng | ... | (as Audrey Bellows) |
Art Direction by
| Massimo Antonello Geleng | ... | (as Audrey Bellows) |
Costume Design by
| Valentina Di Palma | ||
Makeup Department
| Giuseppe Ferranti | ... | makeup artist (as Victor Basil) |
| Barbara Morosetti | ... | makeup artist (uncredited) |
Production Management
| Luciano Martino | ... | production manager (as Frank Cook) |
| Brian Peerce | ... | unit manager |
| Robert E. Warner | ... | production manager: USA |
Second Unit Director or Assistant Director
| Franco Fantasia | ... | assistant director (as Frank Farrell) |
Art Department
| Roberto Granieri | ... | property master |
| Renato Casaro | ... | poster designer (uncredited) |
Sound Department
| Tullio Arcangeli | ... | sound effects |
| Franco Borni | ... | sound recordist (as Frank Borny) |
| Sotir Gjika | ... | sound effects |
| Roberto Sterbini | ... | sound effects |
| Gianni Zampagni | ... | sound recordist |
Special Effects by
| Nick Plantico | ... | special effects |
| Paolo Ricci | ... | special effects (as Paul Callard) |
| Roberto Ricci | ... | special effects (as Robert Callard) |
| Sergio Stivaletti | ... | special makeup effects |
| Elio Terribili | ... | explosion effects (as Elio Terry) |
Stunts
| Nick Plantico | ... | stunt double: Darwyn Swalve / stunts |
Camera and Electrical Department
| Brian Cochise | ... | assistant camera |
| Giorgio Garibaldi Schwarze | ... | still photographer (as G. Beorge Schwarze) |
| Bruce Heller | ... | camera operator |
Costume and Wardrobe Department
| Valentina Di Palma | ... | wardrobe (as Valentina De Palma) |
Editorial Department
| Silvana Di Legge | ... | assistant editor (as Sylvia Law) |
| Constance Farrar | ... | assistant editor |
| Teresa Fox | ... | assistant editor |
| Larry Thomas | ... | assistant editor |
Script and Continuity Department
| Donatella Donati | ... | script supervisor (as Donna Phillips) |
| Barbara Fast | ... | script supervisor |
Additional Crew
| Leonardo Curreri | ... | business manager (as Leonard Curren) |
| Julian Priest | ... | production assistant |
| Edward Mannix | ... | voice dubbing (US version) (uncredited) |
| Ted Rusoff | ... | voice dubbing (US version) (uncredited) |
| Susan Spafford | ... | voice dubbing (US version) (uncredited) |
| Frank von Kuegelgen | ... | voice dubbing (US version) (uncredited) |
