How many movies have Dimitrios Sarris and Kostas Klavvas collaborated on?

They have worked on 6 movies together! Their first movie together was Μικροί και μεγάλοι εν δράσει... (1963) while their highest rated movie together was Fifis the Unbeatable (1966). They have not worked together since To Be or Not To Be (1966). They are most known for their comedy films together.