The Dark Side of Love Incest is no longer a sin! The sexual relationship between a successful woman and her brother, an introvert, hypochondriacal youth, who is also a pornophile. Details Casts Galleries Posters Title The Dark Side of Love Release Date 1984-12-01 Runtime 01 Hours 31 Minutes Genres Drama Romance Production Companies National Cinematografica, Globe Films, Dania Film, Filmes International Production Countries Italy Monica Guerritore... Patrizia Viani... Lorenzo Lena... Emilio... Saverio Vallone... Arrigo, Patrizia's Lover... Gilla Novak... Michelle, The Model... Gianfranco Manfredi... Franco Alessi, Emilio's T... Svevo Samperi... ... Raffaele Fornaro... ... Emanuele Fornaro... ... Andrea Trevisan... ... Matteo Briga... ... Francesco Narducci... English Buyer... Original Size (1280x720) Original Size (934x1401) Original Size (500x750) Original Size (500x750) Original Size (667x1000) Original Size (500x750) Original Size (500x750) Original Size (500x750) Original Size (500x750) Original Size (500x750) Original Size (1200x1800)