How many movies have Fabrizio De Angelis and Gianfranco Couyoumdjian collaborated on?

They have worked on 5 movies together! Their first movie together was Emanuelle and the Last Cannibals (1977) while their highest rated movie together was Zombie Flesh Eaters (1979). They have not worked together since Doctor Butcher M.D. (1980). They are most known for their horror films together.