How many movies have Kostas Karagiannis and Yorgos Karayannis collaborated on?

They have worked on 1 movie together! Their first movie together was Ο Τελευταίος Γυφτοκράτορας (1986) and was their highest rated movie together. They have not worked together since Ο Τελευταίος Γυφτοκράτορας (1986).