A Quiet Place in the Country
Un tranquillo posto di campagna (original)
A painter facing a creative block arranges to spend the weekend in the country at his mistress's villa. While staying there, his sanity begins to disintegrate.
Starring Franco Nero, Vanessa Redgrave, Georges Géret, Gabriella Boccardo, Madeleine Damien, Valerio Ruggeri, Rita Calderoni, Renato Menegotto, Bruna Simionato, Renato Lupi
Watch "A Quiet Place in the Country" on Amazon released in 1968. It's a drama and horror movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.