Andreas Grötzinger, whose native languages are Swedish, German and English, attended the Hochschule für Musik und Theater Rostock from 1994 to 1998. After guest appearances at Schauspiel Frankfurt and Staatsoper Stuttgart, he joined Schauspiel Köln in 1998. Here he played under Directors such as Frank-Patrick Steckel, Herbert Fritsch, Viktor Bodó, Günter Krämer and the artistic director Karin Beier, whom he followed to the Deutsches Schauspielhaus in Hamburg in 2013 and whose ensemble he belonged to until 2016. During his years in Cologne, Andreas Grötzinger made side trips to the Düsseldorfer Schauspielhaus, the Staatsschauspiel Dresden and the Malmö Stadsteater. Some of his numerous roles were Mortimer and the Duke of Alba in the Schiller plays Maria Stuart and Don Karlos, Reverend Samuel in Arthur Miller's Hexenjagd or as one of several roles at the Malmö Stadsteater of the Mackie Messer in the Dreigroschen Oper of Bertolt Brecht and Kurt Weill. In 1998 Grötzinger played Osmin in Wolfgang Amadeus Mozart's opera Die Entführung aus dem Serail. This production by Hans Neuenfels was awarded the Bavarian Theatre Prize in the same year and was named "Performance of the Year" by the trade journal Opernwelt in 1999. Grötzinger had already received a solo and an ensemble prize at the Theatertreffen der Schauspielschulen in 1997. Since the beginning of the 2000s, Andreas Grötzinger has also worked in front of the camera, mainly as a guest performer in series such as Wilsberg, Die Wache, SOKO Köln, Stolberg, Tatort and Lars von Trier's Nymphomaniac. At about the same time Grötzinger also began to work extensively for radio, mainly in productions of the Westdeutscher Rundfunk.