Directed by
| Riccardo Freda | ... | (as George Lincoln) |
Writing Credits (in alphabetical order)
| Riccardo Freda | ... | (as George Lincoln) |
| Luigi Masini | ||
Cast (in credits order)
| Mark Damon | ... | Harry Boyd / Lawrence White | |
| Stephen Forsyth | ... | Lawrence White / Harry Boyd | |
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Luciana Gilli | ... | Jane White |
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Pamela Tudor | ... | Lisabeth |
| Luciano Pigozzi | ... | Judge Warren (as Alan Collins) | |
| Ignazio Spalla | ... | Pablo Rodriguez (as Pedro Sanchez) | |
| Nello Pazzafini | ... | Doc Lester (as Giovanni Pazzafini) | |
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Hardy Reichelt | ... | Sheriff |
| Lidia Biondi | ... | Signora Gilbert (as Lydia Biondi) | |
| Aldo Cecconi | ... | Nolan | |
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Mariella Palmich | ... | Helen |
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Spartaco Conversi | ... | Bud |
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Alessandro Gottlieb | ... | Doctor |
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Francesco Tensi | ||
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Dino Strano | ... | Mike Lester |
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Maurizio Tocchi | ... | Lester Brother |
| Rest of cast listed alphabetically: | |||
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Renato Chiantoni | ||
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Bruno Ariè | ... | Helen's Guest (uncredited) |
| Renzo Pevarello | ... | Lester Henchman at Billard (uncredited) | |
Music by
| Nora Orlandi | ||
| Robby Poitevin | ||
Cinematography by
| Gábor Pogány | ||
Editing by
| Anna Amedei | ||
Production Design by
| Piero Filippone | ||
Set Decoration by
| Carlo Gervasi | ||
Costume Design by
| Rosalba Menichelli | ||
Makeup Department
| Angelo Roncaioli | ... | makeup artist |
Production Management
| Romano Di Casimiro | ... | production secretary |
| Mario Perelli | ... | production manager |
| Valentino Trevisaneto | ... | production supervisor |
Second Unit Director or Assistant Director
| Yves Boisset | ... | assistant director |
Art Department
| Giovanni Di Stefano | ... | poster artist |
Sound Department
| Aldo De Martino | ... | sound |
Stunts
| Giancarlo Bastianoni | ... | stunt coordinator |
| Roberto Alessandri | ... | stunts (uncredited) |
| Bruno Ariè | ... | stunts (uncredited) |
| Giancarlo Bastianoni | ... | stunt actor (uncredited) |
| Arnaldo Dell'Acqua | ... | stunts (uncredited) |
| Sergio Mioni | ... | stunt actor (uncredited) |
| Nello Pazzafini | ... | stunt actor (uncredited) |
| Renzo Pevarello | ... | stunts (uncredited) |
Camera and Electrical Department
| Vittorio Bernini | ... | camera operator |
| Mario Lommi | ... | assistant camera |
| Idelmo Simonelli | ... | camera operator |
| Sabino Tonti | ... | assistant camera |
| Raffaele Marino | ... | electrician (uncredited) |
Script and Continuity Department
| Bruna Malaguti | ... | script supervisor |
Additional Crew
| Giampiero Albertini | ... | voice dubbing: Aldo Cecconi (uncredited) |
| Carlo Alighiero | ... | voice dubbing (uncredited) |
| Ennio Balbo | ... | voice dubbing: Luciano Pigozzi (uncredited) |
| Cesare Barbetti | ... | voice dubbing: Steve Forsyth (uncredited) |
| Gianfranco Bellini | ... | voice dubbing (uncredited) |
| Manlio Busoni | ... | voice dubbing: Alessandro Gottlieb (uncredited) |
| Manlio De Angelis | ... | voice dubbing (uncredited) |
| Maria Pia Di Meo | ... | voice dubbing: Pamela Tudor (uncredited) |
| Arturo Dominici | ... | voice dubbing: Nello Pazzafini (uncredited) |
| Mario Feliciani | ... | voice dubbing (uncredited) |
| Gino La Monica | ... | voice dubbing (uncredited) |
| Pino Locchi | ... | voice dubbing: Mark Damon (uncredited) |
| Melina Martello | ... | voice dubbing: Mariella Palmich (uncredited) |
| Bruno Persa | ... | voice dubbing: Pedro Sanchez (uncredited) |
| Rita Savagnone | ... | voice dubbing: Luciana Gilli (uncredited) |
| Daniele Tedeschi | ... | voice dubbing: Hardy Reichelt (uncredited) |
| Renato Turi | ... | voice dubbing: Spartaco Conversi (uncredited) |