How many movies have Giorgio Bianchi and Silvana Mangini Colizzi collaborated on?

They have worked on 12 movies together! Their first movie together was Lo scocciatore (1953) while their highest rated movie together was Call 22-22 Lieutenant Sheridan (1960). They have not worked together since Call 22-22 Lieutenant Sheridan (1960). They are most known for their comedy films together.