How many movies have Gerald Gustav and Harry Bollhöfener collaborated on?

They have worked on 2 movies together! Their first movie together was Der Hurenstreik - Eine Liebe auf St. Pauli (1999) while their highest rated movie together was Alles was recht ist – Die italienische Variante (2009). They have not worked together since Alles was recht ist – Die italienische Variante (2009).