How many movies have Gustav Knuth and Horst Janson acted in together?

They have worked on 3 movies together! Their first movie together was Buddenbrooks - 1. Teil (1959) while their highest rated movie together was Großer Ring mit Außenschleife (1966). They have not worked together since Großer Ring mit Außenschleife (1966). They are most known for their comedy films together.