Boccaccio '70 (1962)

Four directors tell tales of Eros fit for a 1970s Decameron... (imdb)
Cast and Information
Directed By: Vittorio De Sica, Mario Monicelli, Federico Fellini, Luchino Visconti
Written By: Federico Fellini, Luchino Visconti, Italo Calvino, Giovanni Arpino
Starring: Tomas Milian, Sophia Loren, Romy Schneider, Paolo Stoppa, Peppino De Filippo, Anita Ekberg, Romolo Valli, Marisa Solinas, Luigi Giuliani, Antonio Acqua, Alfio Vita, Germano Gilioli
Genres: Romance, Comedy, Fantasy