How many movies have Gerd Knebel and Veit Vollmer collaborated on?

They have worked on 1 movie together! Their first movie together was Das kleine Arschloch und der alte Sack - Sterben ist Scheiße (2006) and was their highest rated movie together. They have not worked together since Das kleine Arschloch und der alte Sack - Sterben ist Scheiße (2006).