How many movies have Ken Duken and Til Schweiger acted in together?

They have worked on 5 movies together! Their first movie together was 1½ Ritter - Auf der Suche nach der hinreißenden Herzelinde (2008) while their highest rated movie together was Inglourious Basterds (2009). They have not worked together since Conni & Co 2 - Das Geheimnis des T-Rex (2017). They are most known for their comedy films together.