In 1957 she graduated from the Dance Conservatory in Prague and began to work with the Vitus Nejedly Army Art Ensemble.

[2] From 1959 to 1978, Andrsová worked with Josef Svoboda's avant-garde multimedia company Laterna Magika, initially as a chorus girl and later (beginning in 1973) as a prima ballerina.

[2] In Allen Hughes' review of the company's August 1964 Carnegie Hall debut of a presentation that gave 23 performances at that venue under the direction of Miloš Forman,[3]: 433  they are described as "a Czech theatrical spectacle that first came to international attention at the Brussels World's Fair.

"[4][n 2] In 1966 Andrsová starred in Alfréd Radok's choreographed multimedia production Laterna Magika: Variation 66, The Opening of the Wells, cowritten by Forman in collaboration with Jan Švankmajer.

In 2014 (also a 2016 reprise) she performed as elderly virtuous heroine Madame de Rosemonde in the National Theatre Ballet world premiere production of Valmont, choreographer Libor Vaculík's adaptation of Les Liaisons dangereuses.