How many movies have Hellmuth Haupt and Klaus Dieter Söder acted in together?

They have worked on 1 movie together! Their first movie together was Wo der Wildbach durch das Höschen rauscht - Witwen-Report (1974) and was their highest rated movie together. They have not worked together since Wo der Wildbach durch das Höschen rauscht - Witwen-Report (1974).