Directed by
| Umberto Lenzi | ||
Writing Credits
| Umberto Lenzi | ... | (story) |
| Umberto Lenzi | ... | (screenplay) |
Cast (in credits order) verified as complete
| Giovanni Lombardo Radice | ... | Mike Logan (as John Morghen) | |
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Lorraine De Selle | ... | Gloria Davis |
| Danilo Mattei | ... | Rudy Davis (as Bryan Redford) | |
| Zora Kerova | ... | Pat Johnson (as Zora Kerowa) | |
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Walter Lucchini | ... | Joe Costolani (as Walter Lloyd) |
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Fiamma Maglione | ... | Myrna Stenn (as Meg Fleming) |
| Robert Kerman | ... | Lt. Rizzo | |
| John Bartha | ... | Mafioso | |
| Venantino Venantini | ... | Sgt. Ross | |
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Miguel Ángel Rincón | ... | Juanito (as 'El Indio' Rincon) |
| Rest of cast listed alphabetically: | |||
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Giovanni Bergamini | ... | Clerk (uncredited) |
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Riccardo Petrazzi | ... | Hunter (uncredited) |
| Perry Pirkanen | ... | Paul (uncredited) | |
| Dominic Raacke | ... | Tim Barrett (uncredited) | |
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Jake Teague | ... | Professor (uncredited) |
Produced by
| Antonio Crescenzi | ... | executive producer |
| Mino Loy | ... | producer (uncredited) |
| Luciano Martino | ... | producer (uncredited) |
Music by
| Roberto Donati | ... | (as Budy) (original music by) |
| Fiamma Maglione | ... | (as Maglione) (original music by) |
Cinematography by
| Giovanni Bergamini | ... | director of photography |
Editing by
| Enzo Meniconi | ||
Production Design by
| Giuseppe Bassan | ||
Costume Design by
| Giuseppe Bassan | ||
Makeup Department
| Giuseppe Ferranti | ... | makeup artist |
Production Management
| Vito Di Bari | ... | unit manager |
| Evi Farinelli | ... | unit manager |
| Giovanni Masini | ... | production supervisor |
Second Unit Director or Assistant Director
| Riccardo Petrazzi | ... | assistant director |
Sound Department
| Sergio Basili | ... | special sound effects (as Basili) |
| Aldo Ciorba | ... | special sound effects (as Ciorba) |
| Ezio Marcorin | ... | special sound effects (as Marcorin) |
| Raul Montesanti | ... | sound |
Special Effects by
| Gino De Rossi | ... | special effects |
Camera and Electrical Department
| Roberto Belli | ... | chief electrician |
| Renato Doria | ... | camera operator |
| Giorgio Garibaldi Schwarze | ... | still photographer (as Garibaldi Schwarze) |
| Mario Pizzi | ... | key grip |
| Maurizio Zampagni | ... | assistant camera |
Editorial Department
| Alessandro Gabriele | ... | assistant editor |
Music Department
| Carlo Maria Cordio | ... | music arranger (as Carlo Cordio) / musical director (as Carlo Cordio) |
Additional Crew
| Lewis E. Ciannelli | ... | voice dubbing: Venantino Venantini (US version) (uncredited) |
| Pino Colizzi | ... | voice dubbing: Robert Kerman (uncredited) |
| Luciano De Ambrosis | ... | voice dubbing: Venantino Venantini (uncredited) |
| Maria Pia Di Meo | ... | voice dubbing: Lorraine De Selle (uncredited) |
| Larry Dolgin | ... | voice dubbing: Perry Pirkanen (US version) (uncredited) |
| Vittoria Febbi | ... | voice dubbing: Zora Kerova (uncredited) |
| Michele Gammino | ... | voice dubbing: Danilo Mattei (uncredited) |
| Alessandro Iovino | ... | voice dubbing: Perry Pirkanen (uncredited) |
| Gino La Monica | ... | voice dubbing: Giovanni Lombardo Radice (uncredited) |
| Anthony La Penna | ... | voice dubbing: Wilson (US version) (uncredited) |
| Andy Luotto | ... | voice dubbing: Walter Lucchini (US version) (uncredited) |
| Steven Luotto | ... | voice dubbing: Dominic Raacke (US version) (uncredited) |
| Edward Mannix | ... | voice dubbing: Robert Kerman (US version) (uncredited) |
| Gianni Marzocchi | ... | voice dubbing: Jake Teague (uncredited) |
| Richard McNamara | ... | voice dubbing: Hood (US version) (uncredited) |
| Renato Mori | ... | voice dubbing: Riccardo Petrazzi (uncredited) |
| Angelo Nicotra | ... | voice dubbing: Walter Lucchini (uncredited) |
| Ted Rusoff | ... | voice dubbing: Sancho (US version) (uncredited) |
| Rita Savagnone | ... | voice dubbing: Fiamma Maglione (uncredited) |
| Susan Spafford | ... | voice dubbing: Fiamma Maglione (US version) (uncredited) |
| Pat Starke | ... | voice dubbing: Lorraine De Selle (US version) (uncredited) |
| Serena Verdirosi | ... | voice dubbing: Lorraine De Selle (uncredited) |
| Frank von Kuegelgen | ... | voice dubbing: Giovanni Lombardo Radice (English version) (uncredited) |