How many movies have Henning Hoffsten and Petra Zieser acted in together?

They have worked on 1 movie together! Their first movie together was Tach, Herr Dokter! – Der Heinz-Becker-Film (1999) and was their highest rated movie together. They have not worked together since Tach, Herr Dokter! – Der Heinz-Becker-Film (1999).