Hélène Masson visits her friend Gérôme Savignat in the isolated rejuvenation clinic owned by Dr. Devilers and his partner Dr. Berbard. But after a series of tragic events, Hélène goes further in her investigation of the clinic.
Annie Girardot
as Hélène
Alain Delon
as Devilers
Robert Hirsch
as Gérôme
Michel Duchaussoy
as Bernard
Anna Gaylor
as Denise
Jean-François Calvé
as Me René Gassin
Guy Saint-Jean
as The cafe owner
Lucienne Legrand
as Lise de Riberolle
Gabriel Cattand
as Prosecutor of Boissiere
Anne-Marie Deschodt
as Henriette Lussac
Nicole Gueden
as The cafe owner's wife
Jurandir Craveiro
as Manoel
