Directed by
| Duilio Coletti | ||
Writing Credits
| H.J. Giskes | ... | (novel) |
| Duilio Coletti | ... | (screenplay) & |
| Ennio De Concini | ... | (screenplay) (as Ennio de Concini) & |
| Giuseppe Scoponi | ... | (screenplay) & |
| Massimo Mida | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Curd Jürgens | ... | Colonel Bernes (as Curt Jurgens) | |
| Dawn Addams | ... | Mary | |
| Folco Lulli | ... | King Kong Kaarden | |
| René Deltgen | ... | Hermann (as Rene Diltgen) | |
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Dario Michaelis | ... | Captain John Guinness (as Dario Michaels) |
| Albert Lieven | ... | Matt | |
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Philippe Hersent | ... | Mark Landers |
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Lauro Gazzolo | ... | Colonel Richardson |
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Matteo Spinola | ... | Chris |
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Ludovico Ceriana | ... | Herbert |
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Christopher Hofer | ... | Felix (as Chris Hofer) |
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Alphonse Mathis | ... | Mac |
| Giacomo Rossi Stuart | ... | Henry (as Giacomo Rossi-Stuart) | |
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Stephen Garrett | ... | Wilhelm (as Stephen Garret) |
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Edith Jost | ... | Gerda |
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Mary Olins | ||
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Adriano Uriani | ... | Allan |
| Rest of cast listed alphabetically: | |||
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Karl Hass | ... | Carceriere (uncredited) |
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Edward Febo Kelleng | ... | Judge (uncredited) |
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Stefano Sibaldi | ... | Narratore (voice) (uncredited) |
Produced by
| Duilio Coletti | ... | producer |
| Evaristo Signorini | ... | producer (uncredited) |
Music by
| Nino Rota | ||
Cinematography by
| Gábor Pogány | ||
Editing by
| Mario Serandrei | ||
Art Direction by
| Franco Lolli | ||
Second Unit Director or Assistant Director
| David Carbonari | ... | assistant director (uncredited) |
| Giuseppe Scoponi | ... | assistant director (uncredited) |
Art Department
| Averardo Ciriello | ... | poster artist |
Additional Crew
| Mario Silveira | ... | English dialogue |
| Robert Tafur | ... | English dialogue directed by / English dialogue |
| Gino Baghetti | ... | voice dubbing: Edoardo Toniolo (uncredited) |
| Gianfranco Bellini | ... | voice dubbing: Christopher Hofer (uncredited) |
| Giorgio Capecchi | ... | voice dubbing: Folco Lulli (uncredited) |
| Emilio Cigoli | ... | voice dubbing: Curd Jürgens (uncredited) |
| Gualtiero De Angelis | ... | voice dubbing: Philippe Hersent (uncredited) |
| Nando Gazzolo | ... | voice dubbing: Albert Lieven (uncredited) |
| Pino Locchi | ... | voice dubbing: Dario Michaelis (uncredited) |
| Augusto Marcacci | ... | voice dubbing: Stephen Garret (uncredited) |
| Bruno Persa | ... | voice dubbing: René Deltgen (uncredited) |
| Lydia Simoneschi | ... | voice dubbing: Dawn Addams (uncredited) |
