Servais Mont, a freelance photographer who works taking compromising photos, gets fascinated by Nadine Chevalier, a tormented low-budget movie actress married to an eccentric film photo collector.

Romy Schneider
as Nadine Chevalier

Fabio Testi
as Servais Mont

Jacques Dutronc
as Jacques Chevalier

Claude Dauphin
as Mazelli

Roger Blin
as Servais' Father

Nicoletta Machiavelli
as Luce Lapade

Klaus Kinski
as Karl-Heinz Zimmer

Gabrielle Doulcet
as Madame Mazelli

Michel Robin
as Raymond Lapade

Guy Mairesse
as Laurent Messala