[2] Before finishing her studies, she attracted the attention of Ingmar Bergman, who cast her in his film Fanny and Alexander (1982),[3] playing the nanny in the director's romanticised portrait of his childhood.

That marked the beginning of two decades of collaboration, collecting several international awards, including television series The Best Intentions (1991),[4] where she portrayed Bergman's mother and met her second husband to be, director Bille August,[3] and TV-productions Private Confessions (1996), directed by Liv Ullmann and Bergman's own In the Presence of a Clown (1997).

Among the many Scandinavian and international films are also Bille August's Jerusalem (1996), Richard Hobert's Where the Rainbow Ends (1999) [granted her a Guldbagge Award as Best actress] and The Birthday (2000], I Am Dina (2002), Björn Runge's Om jag vänder mig om/If I Turn Around (2003) [a Silver Bear at Berlin International Film Festival 2004 and more Best actress awards], Per Fly's Manslaughter (2005), Swedish-Taiwanese Miss Kicki (2009) and Jan Troell's Truth and Consequence (2012).

At the Royal Dramatic Theatre in Stockholm, she has acted in several plays, starting 1981, several directed by Ingmar Bergman and touring internationally.

These include Ophelia in William Shakespeare's Hamlet (1986) [a part she has also played in another Swedish television film, 1985], August Strindberg's A Dream Play (1986), Nora in Henrik Ibsen's A Doll's House (1989), Hermione in Bergman's special version of A Winter's Tale (1994), the title role in Schiller's Mary Stuart (2000) and Helene Alving in Ibsen's Ghosts (2002).

She also worked with Russian director Jurij Ljubimov in Alexander Pushkin's A Feast in the Time of Plague (1996).

[12] She played the recurring character of Queen Kristina of Sweden in the Netflix series Young Royals, which premiered in 2021.