How many movies have Michalis Papanikolaou and Tasos Polyhronopoulos collaborated on?

They have worked on 2 movies together! Their first movie together was Arseniko kai palia dantela (1981) while their highest rated movie together was Η χήρα με τα κόκκινα (1988). They have not worked together since Η χήρα με τα κόκκινα (1988).