How many movies have Lamberto Palmieri and Roberto Moreal collaborated on?

They have worked on 3 movies together! Their first movie together was Arizona Colt Returns (1970) while their highest rated movie together was Your Vice Is a Locked Room and Only I Have the Key (1972). They have not worked together since Your Vice Is a Locked Room and Only I Have the Key (1972). They are most known for their horror films together.