How many movies have Hans Billian and Yvette Estel collaborated on?

They have worked on 2 movies together! Their first movie together was Josefine Mutzenbacher - Manche mögen's heiß (1991) while their highest rated movie together was Familie Immerscharf 4 - Miss Kitzler von der Post (1996). They have not worked together since Familie Immerscharf 4 - Miss Kitzler von der Post (1996).