How many movies have Hans Hardt-Hardtloff and Walter Jupé acted in together?

They have worked on 4 movies together! Their first movie together was Ach, du fröhliche (1962) while their highest rated movie together was As Long as There’s Life in Me (1965). They have not worked together since Der Mord, der nie verjährt (1968). They are most known for their drama films together.