How many movies have Hans Mahler and Henry Vahl collaborated on?

They have worked on 14 movies together! Their first movie together was Ohnsorg Theater - Wenn man Meyer heißt (1958) while their highest rated movie together was Ohnsorg Theater - Mensch sein muß der Mensch (1970). They have not worked together since Ohnsorg Theater - Mensch sein muß der Mensch (1970). They are most known for their comedy films together.