Overview
The means used by foreign spy services to obtain the trade secret of a French invention.
Cast
- Claude Rollet as Yves Rubin
- Danielle Godet as Sonia
- Paul Préboist as Léon Prades
- Jacques Galland as Robert Alexandre
- Henri Lambert as Dabillaud
- Daniel Prévost as Mario
- Michèle Chemin as Janine
- Christine Aurel as Irène
- Dennis Berry as Jean-Marc
- André Rouyer as Pierre