Directed by
| Gianni Bongioanni | ... | (as Hans Boncioanni) |
Writing Credits (in alphabetical order)
| Gianni Bongioanni | ... | (screenplay) |
| Gianni Bongioanni | ... | (story) |
| Leandro Castellani | ... | (screenplay collaboration) |
| José María Otero | ... | (screenplay) |
| José María Otero | ... | (story) |
| Gerhard Schmidt | ... | (screenplay: German version) |
| Rochus Spiecker | ... | (screenplay: German version) |
Cast (in credits order)
| Christian Doermer | ... | Mario Bergmann / Germany: Becker | |
| Werner Peters | ... | Peter Weimer | |
| Barbara Steele | ... | Barbara Sims / Germany: Anna | |
| Margot Trooger | ... | Margot Weimer | |
| Dino Mele | ... | Nicola | |
| José Guardiola | |||
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Ingeborg Ticheldeckers | ... | Helga |
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Jörg von Wolmar | ||
| Rest of cast listed alphabetically: | |||
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Tommaso Bucci | ||
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Sabino Di Lena | ||
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Hans Echterling | ... | Gerhard |
| Félix Fernández | |||
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Piero Guardalupi | ||
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Georg Herzig | ||
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Fabrizio Moroni | ||
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Luciana Poggi Orlandi | ||
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Bruno Scipioni | ||
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Natalia Silva | ||
Music by
| Piero Piccioni | ... | (as Peter Piccioni) |
Cinematography by
| Antonio Pérez Olea | ||
Editing by
| Alfred Srp | ... | (as Fred Srp) |
Art Direction by
| Karl Adams | ||
Production Management
| Robert Berres | ... | unit manager |
| Alfons Carcasona | ... | general production manager |
| Franz Thierry | ... | production manager |
Second Unit Director or Assistant Director
| Jürgen Blume | ... | assistant director |
Additional Crew
| Siegfried Berton | ... | German version |
| Heinz Bilnik | ... | German version |
| Rochus Spiecker | ... | artistical adaptor |
