Patrick DewaerePaul Kerjean
Michel AuclairMichel Saint-Claude, director of GTI-Europe
Caroline CellierHélène Kerjean
Charles DennerWalter, private detective
Anny DupereyLaura Weber, JBL's mistress
Jeanne MoreauMadame Benoît-Lambert
Mel FerrerCornelius A. Woaegen, president of GTI
Jean-Laurent CochetSerge Hartmann, director of La Tribune
