How many movies have Efi Oikonomou and Simos Kougioumtzis acted in together?

They have worked on 1 movie together! Their first movie together was Διαζύγιο αλά Ελληνικά (1964) and was their highest rated movie together. They have not worked together since Διαζύγιο αλά Ελληνικά (1964).