Directed by
| Jacques Doniol-Valcroze | ||
Writing Credits (in alphabetical order)
| Jacques Doniol-Valcroze | ||
| Alain Franck | ... | (novel) |
| Victor Vicas | ... | (novel) |
Cast (in credits order)
| Mathieu Carrière | ... | Franz Eckerman | |
| Jean-Pierre Aumont | ... | Le professeur Jean Marcilly | |
| Nicoletta Machiavelli | ... | Héléna | |
| Michel Duchaussoy | ... | Le docteur Robert Desagnac | |
 |
Marianne Eggerickx | ... | Marianne Marcilly |
| Martine Sarcey | ... | Le docteur Catherine Ponson | |
|
|
Benoît Allemane | ... | Costet |
|
|
Monique Mélinand | ... | Elisabeth Marcilly |
|
|
Christian Duroc | ... | Ferrière |
|
|
Pierre Santini | ... | Dino |
| Rest of cast listed alphabetically: | |||
| Andrée Tainsy | |||
|
|
Max Vialle | ||
Produced by
| Mag Bodard | ... | producer |
| Philippe Dussart | ... | producer |
| Maurizio Lodi-Fè | ... | producer (uncredited) |
| Henri Michaud | ... | producer |
Cinematography by
| Étienne Becker | ||
Editing by
| Nicole Berckmans | ||
Art Direction by
| Claude Pignot | ||
Costume Design by
| Jeanine Fauvel | ||
Production Management
| Maurice Urbain | ... | production manager |
Sound Department
| Jean-Claude Laureux | ... | sound |
Script and Continuity Department
| Lydie Mahias | ... | script supervisor |
Additional Crew
| Agnès Favalleli | ... | press attache |
