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.

• Roberto MalenottiDirector
• Giorgio GasliniOriginal Music Composer
• Brunello RondiScreenplay
• Roberto MalenottiScreenplay

• Susan StrasbergMartha
• Nathalie DelonDiana
• Massimo GirottiAlex
• Giancarlo GianniniDario
• Lars BlochMartha's Lover
• Franco AbbianaParty Guest
• Gianni PuloneParty Guest
• Attilio DottesioParty Guest
• Rossana CanghiariTrain Passenger (uncredited)
• Alfonso GigantiDiana's Driver (uncredited)
• Filippo PeregoParty Guest (uncredited)