Born in Klagenfurt, Petra Morzé grew up with six brothers and sisters. After finishing compulsory school, she went to Israel for a year, took acting lessons, and played her first film role in "Eis am Stiel". Immediately after receiving her acting degree at the University of Music and Dramatic Arts Graz she played major roles at the Volkstheater Wien, Schauspielhaus Graz, the Salzburg Festival, and the Festspiele Reichenau, before she accepted a permanent position at the Theater in der Josefstadt. Since 2002, Petra Morzé has had a permanent position at the Burgtheater Wien and is considered one of the most sought-after actresses in Austria.
Among her appearances before the camera she has played in the TV series Tatort and Kommissar Rex, as well as in the TV films Der Hund muss weg (D: Beverly Blankenship) and most recently Bella Figlia (D: Xaver Schwarzenberger). The part of Eva in Götz Spielmann's Antares is Petra Morzé's first leading role in a feature film.