How many movies have Gerhard Becker and Walter Wischniewsky collaborated on?

They have worked on 5 movies together! Their first movie together was The Tiger of Eschnapur (1959) while their highest rated movie together was The 1,000 Eyes of Dr. Mabuse (1960). They have not worked together since Sabine und die hundert Männer (1960). They are most known for their adventure films together.