How many movies have Amedeo Sollazzo and Ciccio Ingrassia collaborated on?

They have worked on 29 movies together! Their first movie together was Oh! Those Most Secret Agents (1964) while their highest rated movie together was Sedotti e bidonati (1964). They have not worked together since Two Cat O'Nine Tails… and a Half, in Amsterdam (1972). They are most known for their comedy films together.