How many movies have Ilo von Jankó and Jürgen Lederer collaborated on?

They have worked on 4 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 - Hamburger Bier (2000). They are most known for their comedy films together.