Directed by
| Pino Mercanti | ... | (as Herbert J. Sherman) |
Writing Credits (in alphabetical order)
| Ernesto Gastaldi | ... | (screenplay) |
| Ernesto Gastaldi | ... | (story) |
| Tonino Guerra | ||
| Ugo Guerra | ... | (screenplay) |
| Ugo Guerra | ... | (story) |
| José Luis Jerez Aloza | ... | (Spanish adaptation) (as José Luis Jerez) |
Cast (in credits order)
| Lang Jeffries | ... | Johnny Curd | |
| José Greci | ... | Lynn | |
| Helga Liné | ... | Luana | |
| Jorge Rigaud | ... | Hoover (as George Rigaud) | |
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Andrea Scotti | ... | Maitre (as Andrew Scott) |
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Philippe Hersent | ... | Richard |
| Janine Reynaud | ... | Sheena | |
| Umberto Raho | ... | Vasili | |
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Jacques Stany | ... | Carl Monger |
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Pietro Ceccarelli | ... | Yang (as Peter Ceccar) |
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Tomás Picó | ... | Ivan |
| Ignazio Leone | ... | Hoover's Agent | |
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Max Turilli | ... | Oberst (as Marcello Turilli) |
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Claudio Ruffini | ... | Thug |
| Rest of cast listed alphabetically: | |||
| Erika Blanc | ... | (unconfirmed) | |
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Giorgio Cerioni | ... | blonde Agent |
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Anna María Conte | ... | Secretary |
| Gianluigi Crescenzi | |||
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Alberigo Donadeo | ... | Asylum patient (uncredited) |
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Franco Pesce | ... | Old Man (uncredited) |
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Alessandro Tedeschi | ... | KGB Officer (uncredited) |
Produced by
| Carlo Bessi | ... | producer |
| Ugo Guerra | ... | producer |
Music by
| Riz Ortolani | ||
Cinematography by
| Angelo Filippini | ||
Editing by
| Otello Colangeli | ||
Set Decoration by
| Román Calatayud | ||
Production Management
| Libero Balduini | ... | production manager / production manager: Italy |
| Leo Daviddi | ... | production supervisor |
| José Luis Jerez Aloza | ... | production manager: Spain |
Second Unit Director or Assistant Director
| Carlo Lombardini | ... | assistant director |
Special Effects by
| Manuel Baquero | ... | special effects |
| Antonio Molina | ... | special effects |
| Tonino Mori | ... | special effects |
Stunts
| Giovanni Bonadonna | ... | stunts (uncredited) |
Camera and Electrical Department
| Pasquale Fanetti | ... | assistant camera |
| Franco Filippini | ... | camera operator (as Gianfranco Filippini) |
| Masino Manunza | ... | underwater cinematographer |
Script and Continuity Department
| Marina Chierici | ... | script supervisor |
Additional Crew
| Enzo Musumeci Greco | ... | master of arms (uncredited) |
