How many movies have Jürgen Lederer and Oskar Ketelhut acted in together?

They have worked on 7 movies together! Their first movie together was Ohnsorg Theater - Manda Voss wird 106 (1993) while their highest rated movie together was Ohnsorg Theater - Die graue Maus (1998). They have not worked together since Ohnsorg Theater - Nichts als Sand (2010). They are most known for their comedy films together.