How many movies have Gloria Behrens and Johanna-Christine Gehlen collaborated on?

They have worked on 2 movies together! Their first movie together was Mama und der Millionär (2005) while their highest rated movie together was Utta Danella - Der Himmel in deinen Augen (2006). They have not worked together since Utta Danella - Der Himmel in deinen Augen (2006).