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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.
11 Cast Members
Susan Strasberg
Martha
Nathalie Delon
Diana
Massimo Girotti
Alex
Giancarlo Giannini
Dario
Lars Bloch
Martha's Lover
Franco Abbiana
Party Guest
Gianni Pulone
Party Guest
Attilio Dottesio
Party Guest
Rossana Canghiari
Train Passenger (uncredited)
Alfonso Giganti
Diana's Driver (uncredited)
Filippo Perego
Party Guest (uncredited)
