Margrét Vilhjálmsdóttir has produced and directed her own performances, and happenings, and held several concerts supporting the environmental movement in Iceland, and other projects.
The Icelandic National Theatre: Annabelle in "Tis Pity She ́s a Whore" by John Ford, a young girl in "The Troll Church", and "Don Juan" by Moliere.
Maggie (Margaret) in "Cat on a Hot Tin Roof" by Tennessee Williams, "Popcorn" by Ben Elton, Frida in Grandavegur 7 by Vigdis Grimsdottir, Grusha in "The Caucasian Chalk Circle" by Bertolt Brecht directed by Stephan Metz, Rosa in Independent People by Halldor Laxness, Anna Karenina in "Anna Karenina" by Leo Tolstoy, Mrs. Vilhjálmsdóttir joined The Reykjavik's City Theatre again in 2001 for the roles: of Mrs. Kapulet and Benvolio in Romeo and Juliet by William Shakespeare.
2004-2014 The Icelandic National Theater Elisabeth Foster Nietzsche (Nietzsche´s sister) in "The Dynamite" by Birgir Sigurðsson, various roles in "Kitchen stories" by Svava Jakobsdóttir, also shown in The royal theatre of Copenhagen, Denmark.
Margrét Vilhjálmsdóttir returned to the Reykjavík's city theatre in 2016 for the role of Martha in "Who's afraid of Virginia Woolf” by Edward Albee and the 2018 production the trilogy "Heaven and Hell" by Jon Kalman, Geirþrúður, which got 12 nominations.
Prices and nominations: Margrét Vilhjálmsdóttir won the Icelandic film awards "The Eddan", for her role in "Seagull's Laughter".
And she won Best Actress in the main role at The Icelandic Theatre Awards "Griman" for the main role of Elisabeth Proctor in The Crucibles by Arthur Miller Margrét Vilhjálmsdóttir has starred in numerous films, including 2001 "Seagulls Laughter" by August Gudmundsson, 2002 "Falcons" co-starring, American Actor Keith Caredine, Director Fridrik Thor Fridriksson, 2007 The Bridegroom, Directed by Baltasar Kormakur, "Thicker than Water" Árni Óli Ásgeirsson 2008, "Mama Gogo" Fridrik Thor, Kingsroad 7, Dugg-Hole People and later Grimmd 2014, Trapped TV series 2021 and other films and TV.
She has been nominated at The Icelandic Theatre price "Gríman", numerous times, among other roles, Gertrude in Heaven and Hell 2018, Martha in "Who's afraid of Virginia Woolf" by Edward Alby 2016, Lady Macbeth in "Macbeth" 2012, Anna in "Ivanov" 2007, E.F. Nietzsche in Dynamite 2006, KitchenStories 2006, Swans do not Divorce and The Priest's Black Dog by A.Olafsdottir.
Her biggest movies are probably Mávahlátur (The Seagull's Laughter), based on the book by Kristín Marja Baldursdóttir and Falcons, in which she co-starred with Keith Carradine.
Grusha in "The Caucasian Chalk Circle" by Bertolt Brecht directed by Stephan Metz, Rosa in Independent People by Halldor Laxness, Anna Karenina in "Anna Karenina" by Leo Tolstoy, Mrs. Vilhjálmsdóttir joined The Reykjavik's City Theatre again in 2001 for the roles: Mrs. Kapulet and Benvolio in Romeo and Juliet by William Shakespeare.
Margrét Vilhjálmsdóttir returned to the Reykjavík's city theatre in 2016 for the role of Martha in "Who's afraid of Virginia Woolf” by Edward Albee and the 2018 production Trilogy "Heaven and Hell" by Jon Kalmann, Geirþrúður which got 11 nominations.