How many movies have Frank Groothof and Renée Menschaar acted in together?

They have worked on 21 movies together! Their first movie together was Sinterklaas in Sesamstraat 1991 (1991) and was their highest rated movie together. They have not worked together since Sinterklaas in Sesamstraat 2012 (2012). They are most known for their family films together.