How many movies have Betty Arvaniti and Sylvia Hatzigeorgiou acted in together?

They have worked on 1 movie together! Their first movie together was Οι Νέοι Θέλουν να Ζήσουν (1965) and was their highest rated movie together. They have not worked together since Οι Νέοι Θέλουν να Ζήσουν (1965).