How many movies have Ciccio Ingrassia and Vittorio Vighi collaborated on?

They have worked on 6 movies together! Their first movie together was Gerarchi si muore (1961) while their highest rated movie together was The Swindlers (1963). They have not worked together since Riuscirà l'avvocato Franco Benenato a sconfiggere il suo acerrimo nemico il pretore Ciccio De Ingras? (1971). They are most known for their comedy films together.