How many movies have Gunther Philipp and Herma Sandtner collaborated on?

They have worked on 3 movies together! Their first movie together was Wenn Poldi ins Manöver zieht (1956) while their highest rated movie together was Zwölf Mädchen und ein Mann (1959). They have not worked together since Zwölf Mädchen und ein Mann (1959). They are most known for their comedy films together.