Directed by
| Ernst Ritter von Theumer | ... | (as Richard Jackson) |
Writing Credits (in alphabetical order)
| Sergio Garrone | ... | (screenplay) |
| Ernst Ritter von Theumer | ... | (script) (as Richard Jackson) |
Cast (in credits order) complete, awaiting verification
| Tony Kendall | ... | Jeff Robinson | |
| Monica Teuber | ... | Sister Maria (as Monica Taylor) | |
| William Berger | ... | Bob Shaw | |
| Gordon Mitchell | ... | El Kadir | |
| Vonetta McGee | ... | Nadia (as Vonetta Mc. Gee) | |
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Christiane Thorn | ... | Lolita Anderson (as Christin Thorn) |
| Margaret Rose Keil | ... | Gail Hoffman | |
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Nuccia Cardinali | ... | Inga Mareska (as Karen Carter) |
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Linda Fox | ... | Claire King (as Patrizia Barbot) |
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Felicita Fanny | ... | Carmen Rodriguez |
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Ivana Novak | ... | Liane Leclair |
| Herb Andress | ... | Little Ivan | |
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Giorgio Dolfin | ... | Colonel (as Giorgio Dolphin) |
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Roberto Messina | ... | Killer |
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Mara Krupp | ... | Female Warden (as Mara Krup) |
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Chris McCollins | ||
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Rebecca Mead | ||
| Rest of cast listed alphabetically: | |||
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Nestore Cavaricci | ... | Passerby (uncredited) |
Produced by
| Roger Corman | ... | producer (uncredited) |
| Sergio Garrone | ... | producer |
Music by
| Elsio Mancuso | ||
| Berto Pisano | ... | (as Burt Rexon) |
Cinematography by
| Umberto Galeassi | ... | director of photography (as Robert Galeasi) |
Editing by
| Cesare Bianchini | ||
| Barbara Pokras | ||
Makeup Department
| Claudia Giustini | ... | makeup artist |
Production Management
| Vincenzo Iaccio | ... | production supervisor (as Vincenzo Jaccio) |
Second Unit Director or Assistant Director
| Sergio Garrone | ... | assistant director |
| Serge Pettrich | ... | assistant director (as Sergio Pettrich) |
Art Department
| George Wessling | ... | set constructor |
Sound Department
| Joe Stemmer | ... | sound (as Josef Stemmer) (as Joseph Stemmer) |
Stunts
| Bruno Ariè | ... | stunt coordinator |
| Roberto Messina | ... | stunt coordinator |
Camera and Electrical Department
| Lino Galeassi | ... | assistant camera (as Lino Galeasi) |
| Roberto Nappa | ... | camera operator (as Robert Nappa) |
Costume and Wardrobe Department
| Vera Ceffarelli | ... | seamstress |
| Daniela Lazzaretti | ... | wardrobe |
Editorial Department
| Bruna Abbatelli | ... | assistant editor |
Script and Continuity Department
| Marina Mattoli | ... | script supervisor |
