How many movies have Enzo Fiermonte and Gian Paolo Callegari collaborated on?

They have worked on 5 movies together! Their first movie together was Mystery of the Black Jungle (1954) while their highest rated movie together was Messalina Against the Son of Hercules (1964). They have not worked together since Messalina Against the Son of Hercules (1964). They are most known for their adventure films together.