How many movies have Erni Singerl and Ruth Kappelsberger acted in together?

They have worked on 4 movies together! Their first movie together was Der Komödienstadel - Der Geisterbräu (1963) and was their highest rated movie together. They have not worked together since Der Komödienstadel - Witwen (1969). They are most known for their comedy films together.