How many movies have Franz Seitz Junior and Oliver Hassencamp collaborated on?

They have worked on 4 movies together! Their first movie together was Ein Mädchen aus Paris (1954) while their highest rated movie together was Tante Frieda - Neue Lausbubengeschichten (1965). They have not worked together since Zur Hölle mit den Paukern (1968). They are most known for their comedy films together.