How many movies have Christos Giannakopoulos and Markos Zervas collaborated on?

They have worked on 8 movies together! Their first movie together was The Germans Strike Again (1948) while their highest rated movie together was The Policeman of the 16th Precinct (1959). They have not worked together since A Crazy, Crazy 40-Year-Old (1970). They are most known for their comedy films together.