How many movies have Gerda Havertong and Maarten Wansink acted in together?

They have worked on 9 movies together! Their first movie together was Sinterklaas in Sesamstraat 2004 (2004) 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.