How many movies have Gunilla Palmstierna-Weiss and Peter Weiss acted in together?

They have worked on 2 movies together! Their first movie together was Mirage (1959) while their highest rated movie together was The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade (1967). They have not worked together since The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade (1967).