How many movies have Günter Neumann and Lina Carstens collaborated on?

They have worked on 4 movies together! Their first movie together was Fireworks (1954) while their highest rated movie together was Der Engel, der seine Harfe versetzte (1959). They have not worked together since Der Engel, der seine Harfe versetzte (1959). They are most known for their comedy films together.