How many movies have Kostas Karagiannis and Thodoros Kefalopoulos collaborated on?

They have worked on 4 movies together! Their first movie together was Ο σπαγγοραμένος (1967) and was their highest rated movie together. They have not worked together since Ησαΐα, μη Χορεύεις (1969). They are most known for their comedy films together.