How many movies have Giorgos Matthaios and Kostas Karagiannis collaborated on?

They have worked on 1 movie together! Their first movie together was Χαμός στο Αιγάλεω σίτυ (1987) and was their highest rated movie together. They have not worked together since Χαμός στο Αιγάλεω σίτυ (1987).