Caméléons

The means used by foreign spy services to obtain the trade secret of a French invention.

Claude Rollet

Yves Rubin

Danielle Godet

Sonia

Paul Préboist

Léon Prades

Jacques Galland

Robert Alexandre

Henri Lambert

Dabillaud

Daniel Prévost

Mario

Michèle Chemin

Janine

Christine Aurel

Irène

Dennis Berry

Jean-Marc

André Rouyer

Pierre

Jean Rupert

The man on the train

Jean Perrin

The representative

Paul Pavel

W (the spy)