How many movies have Carlo Liebmann and Rolf Olsen collaborated on?

They have worked on 3 movies together! Their first movie together was Hochzeit am Neusiedler See (1963) while their highest rated movie together was Der Arzt von St. Pauli (1968). They have not worked together since Der Arzt von St. Pauli (1968). They are most known for their comedy films together.