Directed by
| Yves Ciampi | ||
Writing Credits (in alphabetical order)
| Maurice Aubergé | ... | (dialogue) (uncredited) |
| Jean Chapot | ... | (screenplay) |
| Yves Ciampi | ... | (screenplay) |
| Alain Satou | ... | (screenplay) |
Cast (in credits order)
 |
André Smagghe | ... | Gayac |
| Jacques Monod | ... | Commandant Ravesne | |
| Marcel Bozzuffi | ... | Montfort | |
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Henri Piégay | ... | Majo |
| Bernard Fresson | ... | Laurent | |
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Christian Le Guillochet | ... | Mansard |
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Claude Carvin | ... | Carlier |
| Guy Tréjan | ... | Le ministre (as Guy Tréjean) | |
| Jean Dasté | ... | Bazin, le savant | |
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Yves Brainville | ... | Bricourt |
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Jean-François Zeller | ... | L'aumônier |
| Yvonne Monlaur | ... | Françoise | |
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Beatrice Cenci | ... | L'amie de Majo |
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Jacques Santi | ... | Jolivet |
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Guy Haurey | ||
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Roger Van Mullem | ... | L'amiral |
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François Valorbe | ||
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Pierre Collet | ... | (as René Collet) |
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Yves Elliot | ||
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Wladimir Bellin | ... | Le commandant du sous-marin |
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Dimitri Dineff | ... | Le second du sous-marin |
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Roger Nicolski | ||
| Rest of cast listed alphabetically: | |||
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Violette Marceau | ... | Monique Montfort (uncredited) |
Produced by
| Alain Poiré | ... | producer |
Music by
| Jacques Loussier | ||
Cinematography by
| Edmond Séchan | ||
| Guy Tabary | ... | aerial cinematographer |
Editing by
| Georges Alépée | ||
Production Management
| Irénée Leriche | ... | production manager |
| Robert Sussfeld | ... | production manager |
| Armand Tabuteau | ... | unit production manager |
Second Unit Director or Assistant Director
| Patrick Aubrée | ... | assistant director |
| Jean Chapot | ... | assistant director |
| Pierre Grunstein | ... | assistant director |
| Patrick Saglio | ... | assistant director |
Sound Department
| Pierre-Louis Calvet | ... | sound |
| Gaston Demède | ... | assistant sound |
Visual Effects by
| Wally Veevers | ... | visual effects artist (as Willy Veevers) |
Camera and Electrical Department
| Jean-Michel Boussaguet | ... | assistant camera |
| Guy Delattre | ... | assistant camera |
| Jean-Paul Schwartz | ... | assistant camera |
Editorial Department
| Georges Deguy | ... | assistant editor |
| Anne Vierny | ... | assistant editor |
Additional Crew
| Guy Azzi | ... | production administrator |
