How many movies have Giancarlo Sisti and Vera Drudi acted in together?

They have worked on 2 movies together! Their first movie together was A Prostitute Serving the Public and in Compliance with the Laws of the State (1971) while their highest rated movie together was I'm a Zombie, You're a Zombie, She's a Zombie (1979). They have not worked together since I'm a Zombie, You're a Zombie, She's a Zombie (1979).