How many movies have Karl Merkatz and Liliana Nelska acted in together?

They have worked on 4 movies together! Their first movie together was Totstellen (1975) while their highest rated movie together was Mundl - Ein echter Wiener geht nicht unter (1994). They have not worked together since Echte Wiener 2 - Die Deppat'n und die Gspritzt'n (2010). They are most known for their comedy films together.