How many movies have Helmuth Lohner and Otto Schenk acted in together?

They have worked on 11 movies together! Their first movie together was Hier bin ich, mein Vater (1970) while their highest rated movie together was Otto Schenk - Perlen des Humors (2017). They have not worked together since Otto Schenk - Perlen des Humors (2017). They are most known for their comedy films together.