How many movies have Adelheid Wette and Engelbert Humperdinck collaborated on?

They have worked on 4 movies together! Their first movie together was Hansel & Gretel - The Met (1982) while their highest rated movie together was Engelbert Humperdinck - Hänsel & Gretel (2015). They have not worked together since Salzburger Marionettentheater: Hänsel & Gretel (2018).