How many movies have Giorgio Treves and Helmut Berger collaborated on?

They have worked on 3 movies together! Their first movie together was The Garden of the Finzi-Continis (1970) while their highest rated movie together was Conversation Piece (1974). They have not worked together since Luchino Visconti: The Quest for the Impossible (2013). They are most known for their drama films together.