

Plot Summary
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.
Full Cast & Characters

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)
Director & Crew
Roberto Malenotti
Director
Where to Watch The Sisters Online
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Frequently Asked Questions
Where can I watch The Sisters online?
The Sisters (1969) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of The Sisters?
It has an IMDb rating of 4.4/10 based on 7 votes.
Who directed The Sisters?
The Sisters was directed by Roberto Malenotti and released in 1969.
How long is The Sisters?
The Sisters has a runtime of 1 hours and 50 minutes.
Movie Details
- Release Date
- 1969-09-08
- Status
- Released





