How many movies have Gert-Jan Booy and Sven de Ridder collaborated on?

They have worked on 7 movies together! Their first movie together was Nachtwacht - Volume 5 (2018) while their highest rated movie together was Nachtwacht: Het Duistere Hart (2019). They have not worked together since Nachtwacht - Volume 9 (2021). They are most known for their family films together.