Marcello Mastroianni starred in several of this director's films, including "La Dolce Vita" & "8 1/2"
... 8 1/2 (
1963) ... Stars: Marcello Mastroianni, Anouk Aime, Claudia Cardinale ... Fast 
Fact: Composer Nino Rota wanted to create happines with his music.