A doctor disbarred for euthanasia is called in by a man to help his son, who has been depressed since the suicide of his partner. But in the dead woman's handbag, an undeveloped film is discovered by the doctor, who decides to investigate the young woman's alleged suicide.
Bruno Cremer
as Duca Lamberti / Lucas Lamberti
Renaud Verley
as Davide Auseri
Marianne Comtell
as Livia Ussaro
Raffaella Carrà
as Alberta Radelli
Mario Adorf
as The Long-Haired Sadist
Claudio Gora
as Doctor Carrua
Marina Berti
as Alberta's sister
Agostina Belli
as Mara
Vanna Brosio
as Marilina
Jean Martin
as Butler