How many movies have Fausto Zuccoli and Lisa Halvorsen collaborated on?

They have worked on 3 movies together! Their first movie together was I 2 pompieri (1968) while their highest rated movie together was Song That's Playing In My Head (Zum Zum Zum) (1969). They have not worked together since It's a Woman's War (1971). They are most known for their comedy films together.