How many movies have Giannis Kostis and Pavlos Filippou collaborated on?

They have worked on 6 movies together! Their first movie together was The Tomboy (1959) while their highest rated movie together was Crazy, Nuts and Vengos (1967). They have not worked together since Ο Πεθερόπληκτος (1968). They are most known for their comedy films together.