How many movies have Giannis Voglis and Kostas Karagiannis collaborated on?

They have worked on 3 movies together! Their first movie together was Ένας Μάγκας στα Σαλόνια (1969) while their highest rated movie together was I rejected Hitler (1970). They have not worked together since The Brave Bunch (1970). They are most known for their war films together.