How many movies have Apostolos Souglakos and Ilias Efthimiou collaborated on?

They have worked on 2 movies together! Their first movie together was Το ΠΡΟ-ΠΟ και τα μπουζούκια (1968) while their highest rated movie together was Ο κούκλος (1968). They have not worked together since Ο κούκλος (1968).