How many movies have Kostas Psarras and Lefteris Vlahos collaborated on?

They have worked on 5 movies together! Their first movie together was Μπετόβεν και Μπουζούκι (1965) and was their highest rated movie together. They have not worked together since Νυμφίος ανύμφευτος (1967). They are most known for their comedy films together.