Directed by
| Riccardo Freda | ... | (Italian version) (as Robert Hampton) |
Writing Credits
| Paul Kenny | ... | (novel) |
| Bertrand Tavernier | ... | (scenario) (adaptation) |
| Christian Plume | ... | (dialogue) and |
| Bertrand Tavernier | ... | (dialogue) |
Cast (in credits order) complete, awaiting verification
| Lang Jeffries | ... | Coplan | |
| Sabine Sun | ... | La comtesse | |
| José María Caffarel | ... | Langis (as José Mª Caffarel) | |
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Robert Party | ... | Le vieux |
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Frank Oliveras | ... | Fondane |
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Guido Lollobrigida | ... | Montez |
| Osvaldo Genazzani | |||
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Guy Marly | ... | Le docteur Krauz |
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Luciana Gilli | ... | Maya |
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Silvia Solar | ... | Francine |
| Rest of cast listed alphabetically: | |||
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Francisco Cebrián | ... | (uncredited) |
| Ida Galli | ... | (uncredited) | |
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Antonio Orengo | ... | (uncredited) |
| Mónica Randall | ... | (uncredited) | |
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María Dolores Rubio | ... | (uncredited) |
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Tomás Torres | ... | (uncredited) |
Produced by
| Edmondo Amati | ... | producer |
| Alfonso Balcázar | ... | producer |
| Robert de Nesle | ... | producer |
Music by
| Jacques Lacome | ||
Cinematography by
| Juan Gelpí | ||
| Paul Soulignac | ... | (uncredited in Spanish version) (uncredited) |
Editing by
| Claude Gros | ||
| Vincenzo Tomassi | ... | (Italian version) |
Set Decoration by
| Jacques Mawart | ||
| Juan Alberto Soler | ... | (as Juan Alberto) |
Costume Design by
| Marina Rodríguez | ||
Production Management
| Jean Maumy | ... | production manager |
| Valentín Sallent | ... | production manager |
Second Unit Director or Assistant Director
| Yves Boisset | ... | second unit director |
| Juan Gabriel Tharrats | ... | assistant director |
Sound Department
| Guy Rophé | ... | sound |
Camera and Electrical Department
| Gérard Brissaud | ... | camera operator |
Editorial Department
| Teresa Alcocer | ... | editor: Spanish version |
Additional Crew
| Fernande Meunier | ... | production secretary |
| Pierre Rissient | ... | press attache |
| Bertrand Tavernier | ... | press attache |
| Nadine Alari | ... | french voice dubbing: Sabine Sun (uncredited) |
| Georges Atlas | ... | french voice dubbing: Frank Oliveras (uncredited) |
| Lucien Bryonne | ... | french voice dubbing: José Maria Caffarel (uncredited) |
| Emilio Cigoli | ... | italian voice dubbing: José Maria Caffarel (uncredited) |
| Jacques Deschamps | ... | french voice dubbing: Osvaldo Genazzani (uncredited) |
| Henry Djanik | ... | french voice dubbing: Guido Lollobrigida (uncredited) |
| Jean-Pierre Duclos | ... | french voice dubbing: Lang Jeffries (uncredited) |
| Sophie Leclair | ... | french voice dubbing: Luciana Gilli (uncredited) |
| Michèle Montel | ... | french voice dubbing: Silvia Solar (uncredited) |