How many movies have Kostas Karagiannis and Nikos Papahristos collaborated on?

They have worked on 2 movies together! Their first movie together was Ο Τρελοπενηντάρης (1971) and was their highest rated movie together. They have not worked together since Ο Άνθρωπος που Έσπαγε Πλάκα (1972).