How many movies have Ennio De Concini and Marga Cella collaborated on?

They have worked on 3 movies together! Their first movie together was Appointment for Murder (1952) while their highest rated movie together was Jolanda, the Daughter of the Black Corsair (1953). They have not worked together since Jolanda, the Daughter of the Black Corsair (1953). They are most known for their adventure films together.