Lilly Rottensteiner

Lilly was born and raised in Styria and graduated with distinction from the Music and Arts University of the City of Vienna (MUK) in 2022. During her studies, she sang at the opening of Beethoven Year in the Festival Hall of the Vienna City Hall and played the title role in THE MIKADO, directed by Nicole Claudia Weber. After receiving the Special Jury Prize at the Walter Jurmann Singing and Interpretation Competition in 2021, Lilly made her professional debut at the Staatstheater am Gärtnerplatz in Munich under the direction of Josef E. Köpplinger, performing the role of Baroness Bomburst in CHITTY CHITTY BANG BANG. Since then, she has appeared on the Gärtnerplatztheater stage in A LITTLE NIGHT MUSIC, DREI MÄNNER IM SCHNEE and MY FAIR LADY. In the world premiere of Thomas Zaufke and Peter Lund’s LIZZY CARBON UND DER KLUB DER VERLIERER, she portrayed the character of Sara at the Viennese Theater der Jugend. At the Vereinigte Bühnen Wien, she performed under the direction of Alex Balga in JESUS CHRIST SUPERSTAR at the Raimund Theater; in the concertante production of ELISABETH, directed by Gil Mehmert, in front of Schönbrunn Palace; and in Cameron Mackintosh’s spectacular new production of Andrew Lloyd Webber’s THE PHANTOM OF THE OPERA, also at the Raimund Theater. At Musicalsommer Amstetten, she played Widow Mehlwurm and the Old Lady in the world premiere of AUGUSTIN – THE MUSICAL, directed by Alex Balga. In 2025, the jury awarded Lilly 1st prize at MUT, a renowned competition for musical theater at the Gärtnerplatztheater in Munich.

In the 2025/2026 season, Lilly returns as Cover Carlotta Giudicelli and Swing in THE PHANTOM OF THE OPERA at the Raimund Theater in Vienna.