Fellinopolis
Fellini behind the curtains, observing the great director through the eyes and the lenses of Ferruccio Castronuovo, Fellini's trusted partner, who filmed him between the '76 and '86.
Starring Lina Wertmüller, Dante Ferretti, Maurizio Millenotti, Norma Giacchero, Ferruccio Castronuovo, Nicola Piovani, Romano Talevi, Federico Fellini, Marcello Mastroianni, Maurizio Mein
It's a documentary movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.