How many movies have Simone Thomalla and Walter Sittler acted in together?

They have worked on 5 movies together! Their first movie together was Schachmatt (2005) while their highest rated movie together was Ein Fall für den Fuchs - Das Spiel ist aus (2006). They have not worked together since Ein Fall für den Fuchs - In Vino Veritas (2007). They are most known for their crime films together.