Famous during the 1970s for her roles in Czech films such as Mala Morska Vila and Die Elixiere des Teufels, Schallerova also appeared in a handful of 1980s and early 1990s movies.
When she was just thirteen years old, she appeared in her first film, a 1970s surrealist feature titled Valerie and Her Week of Wonders.
She played the recurring role of Klara in the late 1980s Czech television series Hamster in a Nightshirt.
She was born and raised in Prague, Czechoslovakia (modern-day Czech Republic).
She is a contemporary of fellow Czech actress Paulina Porizkova.