How many movies have Robert Orvalho and Willemijn Kaasjager collaborated on?

They have worked on 1 movie together! Their first movie together was Hoe Overleef Ik Mijn Eerste Zoen?: De Musical (2009) and was their highest rated movie together. They have not worked together since Hoe Overleef Ik Mijn Eerste Zoen?: De Musical (2009).