Born in Vienna, Leyrer told her family when she was 3 that she wanted to be an actress.
[3] She studied dance at the Academy of Music in Vienna (now the University of Music and Performing Arts), debuted as a dancer at the age of 15, replacing an injured soloist, and was engaged by the Saar State Theatre at 16 after only a year of theatrical studies.
[2][4] She appeared with Martin Flossmann at the Kabarett "Simpl" in Vienna for 15 years beginning in 1978.
[2][4][5] In 2009 she published a joke book with Ferdi Besim, proprietor of a Vienna Oriental carpet business.
[6] In 2004 she was awarded the Goldenes Verdienstzeichen des Landes Wien by the State of Vienna.