How many movies have Andreas Kiendl and Michael Ostrowski acted in together?

They have worked on 4 movies together! Their first movie together was Slugs (2004) while their highest rated movie together was The Unintentional Kidnapping of Mrs. Elfriede Ott (2010). They have not worked together since The Unintentional Kidnapping of Mrs. Elfriede Ott (2010). They are most known for their comedy films together.