How many movies have Ernst Grabbe and Otto Lüthje acted in together?

They have worked on 13 movies together! Their first movie together was Ohnsorg Theater - Brand-Stiftung (1962) while their highest rated movie together was Ohnsorg Theater - Kein Auskommen mit dem Einkommen (1966). They have not worked together since Ohnsorg Theater - Mein Mann der fährt zur See (1971). They are most known for their comedy films together.