How many movies have Kostas Palios and Yiorgos Petrohilos acted in together?

They have worked on 5 movies together! Their first movie together was Πολίτης Γάμα Κατηγορίας (1987) while their highest rated movie together was Κύριε Καθηγητά Πού... Κοιμηθήκατε Χθες; (1989). They have not worked together since Κύριε Καθηγητά Πού... Κοιμηθήκατε Χθες; (1989). They are most known for their comedy films together.