How many movies have Erik Schumann and Stefan Gommermann collaborated on?

They have worked on 1 movie together! Their first movie together was Käpt'n Senkstakes Abenteuer - Ay, ay, Sheriff (1974) and was their highest rated movie together. They have not worked together since Käpt'n Senkstakes Abenteuer - Ay, ay, Sheriff (1974).