How many movies have Dionysis Papagiannopoulos and Yannis Petropoulakis collaborated on?

They have worked on 5 movies together! Their first movie together was Return from the front (1959) while their highest rated movie together was Bouzouki Strumming (1966). They have not worked together since Ο Απίθανος (1970). They are most known for their comedy films together.