How many movies have Anne Sofie von Otter and Martina Borroni acted in together?

They have worked on 1 movie together! Their first movie together was Orphée aux Enfers - Salzburger Festspiele 2019 (2020) and was their highest rated movie together. They have not worked together since Orphée aux Enfers - Salzburger Festspiele 2019 (2020).