How many movies have Jona Mues and Nikola Kastner acted in together?

They have worked on 3 movies together! Their first movie together was Küssen verboten, baggern erlaubt (2003) while their highest rated movie together was Fleisch ist mein Gemüse (2008). They have not worked together since Fleisch ist mein Gemüse (2008). They are most known for their comedy films together.