How many movies have Franz Grothe and Hannes Staudinger collaborated on?

They have worked on 3 movies together! Their first movie together was Hoch klingt der Radetzkymarsch (1958) while their highest rated movie together was Zwölf Mädchen und ein Mann (1959). They have not worked together since Zwölf Mädchen und ein Mann (1959). They are most known for their comedy films together.