How many movies have Boudewijn Kappel and Koos Terpstra collaborated on?

They have worked on 9 movies together! Their first movie together was Lebbis: Zwart (2001) while their highest rated movie together was Eric van Sauers: Ridder (2011). They have not worked together since Lebbis: De Paardenpoetser (2017). They are most known for their comedy films together.