How many movies have Kai Hahto and Marco Hietala acted in together?

They have worked on 7 movies together! Their first movie together was Nightwish: Vehicle Of Spirit - The Tampere Show (2015) while their highest rated movie together was Nightwish: Vehicle Of Spirit (2016). They have not worked together since Nightwish: Decades (Live in Buenos Aires) (2019). They are most known for their music films together.