How many movies have Giuseppe Verdi and Liliana Cavani collaborated on?

They have worked on 3 movies together! Their first movie together was Verdi, Un Ballo in Maschera - Salvatore Licitra, Maria Guleghina, Riccardo Muti, Teatro alla Scala (2001) while their highest rated movie together was Macbeth (2006). They have not worked together since Verdi: La Traviata (2007). They are most known for their music films together.