How many movies have Esther Schweins and Walter Sittler acted in together?

They have worked on 6 movies together! Their first movie together was Schachmatt (2005) while their highest rated movie together was Der Butler und die Prinzessin (2007). They have not worked together since Ein Fall für den Fuchs - In Vino Veritas (2007). They are most known for their comedy films together.