How many movies have Hanspeter Müller and Peter Jecklin acted in together?

They have worked on 4 movies together! Their first movie together was Havarie (2006) while their highest rated movie together was Sennentuntschi: Curse of the Alps (2010). They have not worked together since Sennentuntschi: Curse of the Alps (2010). They are most known for their thriller films together.