How many movies have Hein Harms and Matthieu van Eysden acted in together?

They have worked on 2 movies together! Their first movie together was Het Meisje met den Blauwen Hoed (1934) while their highest rated movie together was Merijntje Gijzen's Boyhood (1936). They have not worked together since Merijntje Gijzen's Boyhood (1936).