Directed by
| Vic Morrow | ||
| Giorgio Gentili | ... | (uncredited) |
Writing Credits
| Vic Morrow | ... | (written by) and |
| Frank Kowalski | ... | (written by) |
| Massimo D'Avak | ... | (screenplay: Italian version) (uncredited) |
Cast (in credits order)
| James Garner | ... | Luther Sledge | |
| Dennis Weaver | ... | Erwin Ward | |
| Claude Akins | ... | Hooker | |
| John Marley | ... | The 'Old Man' | |
| Laura Antonelli | ... | Ria | |
| Wayde Preston | ... | Sheriff Ripley | |
| Ken Clark | ... | Floyd | |
| Tony Young | ... | Mallory | |
| Allan Jones | ... | Matt | |
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Herman Reynoso | ... | Simms |
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Steffen Zacharias | ... | Red - Prison Guard |
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Didi Perego | ... | Elizabeth |
| Paola Barbara | ... | Jade | |
| Mario Valgoi | ... | Beetle | |
| Laura Betti | ... | Sister | |
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Lorenzo Piani | ... | Guthrie |
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Franco Giornelli | ... | Joyce |
| Bruno Corazzari | ... | Bice | |
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Altiero Di Giovanni | ... | Kehoe |
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Lorenzo Fineschi | ... | Toby |
| Remo De Angelis | ... | Poker Player | |
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Giovanni Di Benedetto | ... | Secondino (as Gianni Di Benedetto) |
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Franco Balducci | ... | Un carcerato |
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Tiberio Mitri | ... | Prisoner |
| Fausto Tozzi | ... | Maximum security prisoner | |
| Riccardo Garrone | ... | The Warden | |
| Orso Maria Guerrini | ... | Prisoner | |
| Barta Barri | ... | Prisoner (as Barta Barry) | |
| Rest of cast listed alphabetically: | |||
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Angelo Infanti | ... | Prisoner (uncredited) |
| Vic Morrow | ... | Gold Guard Scout (uncredited) | |
| Luciano Rossi | ... | The "Wolf" (uncredited) | |
Produced by
| Harold Jack Bloom | ... | co-producer (as Harry Bloom) |
| Dino De Laurentiis | ... | producer |
| Carl Olsen | ... | associate producer (uncredited) |
Music by
| Gianni Ferrio | ||
Cinematography by
| Luigi Kuveiller | ... | director of photography |
Editing by
| Renzo Lucidi | ||
Production Design by
| Mario Chiari | ||
Art Direction by
| Mario Scisci | ||
Set Decoration by
| Enzo Eusepi | ... | (uncredited) |
Costume Design by
| Elio Micheli | ... | (uncredited) |
Makeup Department
| Giuliano Laurenti | ... | makeup artist |
| Elda Magnanti | ... | hair stylist |
Production Management
| Mario Pisani | ... | production manager |
Second Unit Director or Assistant Director
| Roy Carrington | ... | assistant director |
| Giorgio Gentili | ... | first assistant director |
Sound Department
| Sash Fisher | ... | sound mixer |
| Edith de Swarte | ... | dubbing sound (uncredited) |
Special Effects by
| Pasquino Benassati | ... | special effects (uncredited) |
Stunts
| Remo De Angelis | ... | stunt coordinator |
| Earl Parker | ... | stunt coordinator (uncredited) |
Script and Continuity Department
| Madlyn Rhue | ... | script girl (uncredited) |
Additional Crew
| Renée Glynne | ... | script continuity (as Rene Glynn) |
| Maria Mona Medici | ... | dialogue director (as Nona Medici) |
| Carl Olsen | ... | historical consultant |
| Ferruccio Amendola | ... | italian voice dubbing: Steffen Zacharias (uncredited) |
| Gianfranco Bellini | ... | italian voice dubbing: Bruno Corazzari (uncredited) |
| Dhia Cristiani | ... | italian voice dubbing: Paola Barbara (uncredited) |
| Remo De Angelis | ... | master of arms (uncredited) |
| Arturo Dominici | ... | italian voice dubbing: Wayde Preston (uncredited) |
| Sergio Graziani | ... | italian voice dubbing: James Garner (uncredited) |
| Gianni Marzocchi | ... | italian voice dubbing: Ken Clark (uncredited) |
| Glauco Onorato | ... | italian voice dubbing: Claude Akins (uncredited) |
| Bruno Persa | ... | italian voice dubbing: John Marley (uncredited) |
| Sergio Tedesco | ... | italian voice dubbing: Dennis Weaver (uncredited) |