Born in Austria in 1965, Marion Mitterhammer was trained at the Academy for Music and Performing Arts in Graz. She set out her stage career at the Theatre in Baden-Baden and the Salzburg Festival; in Salzburg she worked with directors Jürgen Flimm und Thomas Langhoff. A tour production of Tschechows 'Platonov' followed in 1990, her partner was Götz George. In 1990 and 1991 Marion Mitterhammer also played at the Theater in der Josefstadt in Vienna, where she worked under the direction of, among others, Otto Schenk und Harald Clemen. It was director Bernd Fischerauer who discovered Marion Mitterhammer for television in 1992. She starred as Lotti von Mitzko in the Austrian TV feature 'Der Salzbaron' under Fischerauer's direction, and she received the Austrian Motion Picture Award as best upcoming artist for this performance in 1994. Numerous appearances in popular German and Austrian feature films and TV movies have followed since, e.g. in 'Die Strassen von Berlin', 'Tatort', 'Wie eine Spinne im Netz', 'Schmutzige Wahrheit', 'Kommissar Rex', 'Eine Sünde zuviel', 'Julia (Die Bezirksrichterin)', 'Quintett komplett', 'Die Callboys' and 'Klinik unter Palmen'. In 1999 Marion Mitterhammer performed in two TV features: 'Das Mädchen aus der Torte', directed by Peter Weck, and 'Verbotenes Verlangen', directed by Soltan Spirandelli, where she played the main part. In 2000 she played the lead in Rosamunde Pilcher's 'Zerrissene Herzen' and 'Das Traumschiff' (both directed by Michael Steinke). In 2001 she appeared in the three-part TV feature 'Liebe, Lüge, Leidenschaft' (Regie: Marco Serafini) and in the cinema production 'Verrückt nach Paris'. Her major productions in 2002 were: 'Auch erben will gelernt sein', 'Der Mond im See', 'Held der Gladiatoren' (Jorgo Papavassiliou), and an episode of 'Bella Block'. For the cinema feature 'Böse Zellen' Marion Mitterhammer collaborated with director Barbara Albert (Nordrand). The TV drama 'Gefährliche Gefühle' (Martin Enlen) was shown on the occasion of the Munich Film Festival in the summer of 2003. In 2005 she played the lead in two films for Austrian TV ORF: 'Tor zur Hölle' (Max Gruber) and 'Heaven' (David Schalko). The same year Marion also starred in 'PingPong' (script and director Matthias Luthardt), a feature film which won an invitation to the semaine de la critique at the Cannes Film Festival 2006.

After sojourns in Paris, Naples, and Berlin, Marion Mitterhammer is currently living in Vienna.