How many movies have Marcello Marziali and Renzo Fabbri acted in together?

They have worked on 2 movies together! Their first movie together was I delitti del BarLume - La briscola in cinque (2015) while their highest rated movie together was I delitti del BarLume - La battaglia navale (2018). They have not worked together since I delitti del BarLume - La battaglia navale (2018).