The Sisters
Faced with a broken marriage, a woman decides to try to rekindle an incestuous relationship with her younger sister, who is married to a wealthy older man.
Susan Strasbergas MarthaNathalie Delonas DianaMassimo Girottias AlexGiancarlo Gianninias DarioLars Blochas Martha's LoverFranco Abbianaas Party GuestGianni Puloneas Party GuestAttilio Dottesioas Party GuestRossana Canghiarias Train Passenger (uncredited)Alfonso Gigantias Diana's Driver (uncredited)Filippo Peregoas Party Guest (uncredited)