Directed by
| Francesco Prosperi | ... | (as Franco Prosperi) |
Writing Credits (in alphabetical order)
| Ottavio Alessi | ... | (screenplay) |
| Giorgio Moser | ... | (story) |
| Giorgio Simonelli | ... | (screenplay) |
| Duccio Tessari | ... | (screenplay) |
Cast (in credits order)
| Richard Stapley | ... | Dick Smart (as Richard Wyler) | |
| Margaret Lee | ... | Lady Lister | |
 |
Rosana Tapajós | ... | Jeanine Stafford |
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Flavia Balbi | ... | Patricia |
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Elio Guerriero | ||
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Alfredo Leuti | ||
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Valentino Macchi | ||
| Tullio Altamura | ... | Scienziato atomico | |
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Bernadette Kell | ||
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Assunta De Paoli | ||
| Rest of cast listed alphabetically: | |||
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Paolo Ginori Conti | ||
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Fregolente | ... | Black Diamond |
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Guido Lauzi | ||
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Giuseppe Schettino | ||
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Max Turilli | ||
Music by
| Mario Nascimbene | ||
Cinematography by
| Roberto Gerardi | ||
Editing by
| Renato Cinquini | ||
Production Design by
| Luciana Pignatelli | ||
Costume Design by
| Giuliana Serano | ||
Production Management
| Franco Cuccu | ... | production secretary |
| Felice D'Alisera | ... | production manager |
| Gino Soldi | ... | production supervisor |
Second Unit Director or Assistant Director
| Rodriguez De Conto | ... | assistant director |
Stunts
| Gilberto Galimberti | ... | stunts (uncredited) |
Camera and Electrical Department
| Sante Achilli | ... | second unit director of photography |
| Roberto D'Ettorre Piazzoli | ... | assistant camera (as Roberto D'Ettorre) |
Editorial Department
| Romana Fortini | ... | assistant editor |
Script and Continuity Department
| Priscilla Contardi | ... | script supervisor |
| Bona Magrini | ... | script supervisor |
Additional Crew
| Cesare Barbetti | ... | voice dubbing: Richard Stapley (uncredited) |
| Fiorella Betti | ... | voice dubbing: Rosana Tapajós (uncredited) |
| Giulio Panicali | ... | voice dubbing: Fregolente (uncredited) |
| Rita Savagnone | ... | voice dubbing: Margaret Lee (uncredited) |
