How many movies have Kathleen Warners and Martijn Bouwman collaborated on?

They have worked on 3 movies together! Their first movie together was Theo Maassen: Neuk het Systeem (1995) while their highest rated movie together was Theo Maassen: Situatie Gewijzigd (2020). They have not worked together since Theo Maassen: Situatie Gewijzigd (2020). They are most known for their comedy films together.