How many movies have Richard Schweizer and Schaggi Streuli collaborated on?

They have worked on 4 movies together! Their first movie together was Die missbrauchten Liebesbriefe (1940) and was their highest rated movie together. They have not worked together since Anne Bäbi Jowäger I. Part - How Jakobli comes to a woman (1960). They are most known for their drama films together.