How many movies have Dimitris Hatziparas and Nikos Fermas collaborated on?

They have worked on 4 movies together! Their first movie together was The child of the square (1961) while their highest rated movie together was Taxi Driver (1962). They have not worked together since Ο Ανηψιός μου ο Μανώλης (1963). They are most known for their comedy films together.