How many movies have Janine Reynaud and Luciano Martino collaborated on?

They have worked on 3 movies together! Their first movie together was Killers Are Challenged (1966) while their highest rated movie together was The Case of the Scorpion's Tail (1971). They have not worked together since The Case of the Scorpion's Tail (1971). They are most known for their thriller films together.