How many movies have Ernst Busch and Karl Wagner acted in together?

They have worked on 2 movies together! Their first movie together was The Thirteen Trunks of Mr. O.F. (1931) while their highest rated movie together was Kuhle Wampe or Who Owns the World? (1932). They have not worked together since Kuhle Wampe or Who Owns the World? (1932).