Question: Sonia Petrovna, is a French dancer and actress (film, television and theatre), her most famous early acting roles were as who, in "Ludwig" alongside leading actors Helmut Berger?
Sentence (from "Helmut Berger"): Helmut Berger (] ; born Helmut Steinberger; 29 May 1944) is an Austrian film and television actor.
Relevant evidence: Yes