After making several short films, and receiving his diploma with Vergiss Sneider!, with the drama Erwin und Julia, Spielmann had his first great success.

Spielmann is on the committee of the Verband der Filmregisseure Österreichs (the Association of the Austrian film directors).

In the Linzer Kammerspiele (Linz, Upper Austria) he made his debut as theatre director with the performance of the play Der einsame Weg, written by Arthur Schnitzler.

For the season 2006/2007, he wrote his first play for the theatre, the Landestheater Linz, Imperium, which was first released on 5 January 2007 at the Linzer Kammerspiele.

In January 2009 Spielmann's Revanche was nominated for an Academy Award for Best Foreign Language Film.