How many movies have Giannis Kostis and Hristos Kyriakopoulos collaborated on?

They have worked on 5 movies together! Their first movie together was Meletis of the Flying Squad (1966) while their highest rated movie together was Penelope's Suitors (1968). They have not worked together since Ο Πεθερόπληκτος (1968). They are most known for their comedy films together.