How many movies have Giorgos Katsaros and Pantelis Filippides collaborated on?

They have worked on 21 movies together! Their first movie together was The Twins (1964) while their highest rated movie together was The Strongman Who Became a Lamb (1968). They have not worked together since Η Κρεβατομουρμούρα (1971). They are most known for their comedy films together.