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.
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Cast
11 people
Susan Strasberg
Martha
Known for
Taste of Fear
Kapo
Nathalie Delon
Diana
Known for
Le Samouraï
When Eight Bells Toll
Massimo Girotti
Alex
Known for
Theorem
Obsession
Giancarlo Giannini
Dario
Known for
Casino Royale
Hannibal
Lars Bloch
Martha's Lover
Known for
Emanuelle in America
Fantozzi Against the Wind
Franco Abbiana
Party Guest
Also in
La cuccagna
The Price of Death
Gianni Pulone
Party Guest
Known for
The Case of the Bloody Iris
The Seduction of Mimi
Attilio Dottesio
Party Guest
Known for
Death Smiles on a Murderer
SS Experiment Love Camp
Rossana Canghiari
Train Passenger (uncredited)
Known for
The Comfort of Strangers
The Traffic Policeman
Alfonso Giganti
Diana's Driver (uncredited)
Known for
The Red Queen Kills Seven Times
Two of a Kind
Filippo Perego
Party Guest (uncredited)
Known for
The Return of the Exorcist
Roberto Malenotti Director · Brunello Rondi Screenplay Alessandro Fallay Story
First release September 8, 1969 · Produced in France, Italy · Languages English, Italian
Production
Cine Azimut
Production
Les Films Corona
Production
France · Italy
Produced in
Languages
Original title
Le Sorelle
Original language
Italian
Spoken on screen
English · Italian
Release dates
Italy · September 8, 1969
Theatrical
No release date listed for United States.
More from Roberto Malenotti
Other films they directed, best known first.
Some details come from TheTVDB.