How many movies have Ilias Mahairas and Lavrentis Dianellos collaborated on?

They have worked on 4 movies together! Their first movie together was Chaidari 3:30 Escape (1967) while their highest rated movie together was Gorgopotamos (1968). They have not worked together since Ο δοσίλογος (1970). They are most known for their war films together.