How many movies have Barry Hay and George Kooymans acted in together?

They have worked on 6 movies together! Their first movie together was Golden Earring: At Rockpalast (1982) while their highest rated movie together was Golden Earring - Five Zero at the Ziggo Dome (2015). They have not worked together since Golden Earring - Five Zero at the Ziggo Dome (2015). They are most known for their music films together.