How many movies have Dan Zimmermann and Henjo Richter acted in together?

They have worked on 3 movies together! Their first movie together was Gamma Ray: [1997] Rebellion in São Paulo (1997) while their highest rated movie together was Gamma Ray: Hell Yeah!!! The Awesome Foursome: Live In Montreal (2008). They have not worked together since Gamma Ray: Skeletons & Majesties Live (2012).