How many movies have Corinna Harfouch and Hermine Huntgeburth collaborated on?

They have worked on 4 movies together! Their first movie together was Gefährliche Freundin (1996) while their highest rated movie together was Ruhe! Hier stirbt Lothar (2021). They have not worked together since Ruhe! Hier stirbt Lothar (2021). They are most known for their comedy films together.