How many movies have Kostas Karagiannis and Mihalis Diamantopoulos collaborated on?

They have worked on 18 movies together! Their first movie together was Εισπράκτωρ 007 (1966) while their highest rated movie together was Ο αντιφασίστας (1972). They have not worked together since Ένας τρελός τρελός αεροπειρατής (1973). They are most known for their comedy films together.