Schubert grew up in Braunschweig and studied acting at the Max Reinhardt Seminar in Vienna.
Still during her studies she debuted at the Wiener Festwochen in a play by Botho Strauß.
From 2001 until 2008 Schubert belonged to the ensemble of the Münchner Kammerspiele starring in various roles under the direction of Andreas Kriegenburg, Stefan Pucher, Johan Simons, René Pollesch, Alvis Hermanis or Thomas Ostermeier.
With Anton Chekhov's play Three Sisters and Shakespeare's The Tempest, she was invited to the Berliner Theatertreffen which showcases the most important theatre productions from the German speaking world.
[1] Apart from working in theatre, Schubert starred in various productions for television and film.