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?

Context paragraphs:
Saint Laurent (film): Saint Laurent is a 2014 French biography drama film co-written and directed by Bertrand Bonello, and starring Gaspard Ulliel as Yves Saint Laurent, Jérémie Renier as Pierre Bergé, and Louis Garrel as Jacques de Bascher.  The supporting cast features Léa Seydoux, Amira Casar, Aymeline Valade and Helmut Berger.  The film centers on Saint Laurent's life from 1967 to 1976, during which time the famed fashion designer was at the peak of his career.  The film competed for the Palme d'Or in the main competition section at the 2014 Cannes Film Festival and was released on 24 September 2014.

Great Transport: Great Transport () is a 1983 Yugoslav action–drama war film directed by Veljko Bulajić.  The film was selected as the Yugoslav entry for the Best Foreign Language Film at the 56th Academy Awards, but was not accepted as a nominee.  "Great Transport" stars James Franciscus, Steve Railsback, Robert Vaughn, Helmut Berger, and Edward Albert.

Padmapriya Janakiraman: Padmapriya Janakiraman, simply credited as Padmapriya, is an Indian film actress and model.  A classical bharatanatyam dancer, Padmapriya made her acting debut in the Telugu-language film "Seenu Vasanthi Lakshmi" (2003), following which she appeared in a number of Malayalam and Tamil-language films alongside leading actors.  In a span of 5 years, she has appeared in nearly 30 films in Malayalam, Bengali, Tamil, Telugu, Kannada and Hindi and has received several major South Indian awards.  She is probably best known for her critically acclaimed performances in the Malayalam-language films "Kaazhcha", "Karutha Pakshikal", "Pazhassi Raja" and the Tamil-language films "Thavamai Thavamirundhu" and "Mirugam".

Helmut Berger: Helmut Berger (] ; born Helmut Steinberger; 29 May 1944) is an Austrian film and television actor.  He is most famous for his work with Luchino Visconti, particularly in his performance as King Ludwig II of Bavaria in "Ludwig", for which he received a special David di Donatello award, and his performance in "The Damned" for which he was nominated for a Golden Globe Award.

Sonia Petrovna: Sonia Petrovna (name also credited as "Petrova" and "Petrowa") (born 13 January 1952) is a French dancer and actress (film, television and theatre).  Petrovna was born in Paris, from between the age of 6 and 14 she studied dance at the Paris Opera Ballet (Ballet de l'Opéra de Paris) and on the initial invitation of Roland Petit went on to appear in various ballet productions.  Her most famous early acting roles were those of Vanina Abati in "La prima notte di quiete" acting alongside leading French actor Alain Delon and as Princess Sofia in "Ludwig" alongside leading actors Helmut Berger and actress Romy Schneider, both in 1972.

Faceless (film): Faceless is a 1988 French slasher film directed by Jesús Franco.  The film is about Dr. Flamand (Helmut Berger) and his assistant Nathalie (Brigitte Lahaie) who lure unsuspecting victims to use their skin to perform plastic surgery on the doctor's disfigured sister - a plot reminiscent of Franco's first film, "Gritos en la noche" (1961).  Hallen (Telly Savalas) is a New York businessman who hires private detective Sam Morgan (Chris Mitchum) to find his missing fashion model daughter Barbara (Caroline Munro).  Other elements of the story include a Nazi doctor (Anton Diffring) and a chainsaw/power tool tormentor who are called in by Dr. Flamand

Ludwig (film): Ludwig is a 1973 film directed by Italian director Luchino Visconti about the life and death of King Ludwig II of Bavaria.  Helmut Berger stars as Ludwig, Romy Schneider reprises her role as Empress Elisabeth of Austria (from the 1955 film "Sissi" and its two sequels).

Peter Marc Jacobson: Peter Marc Jacobson (born October 27, 1957) is an American television writer, director and producer, and actor.  He is best known as the co-creator of the popular sitcom "The Nanny", which he created and wrote with his then wife actress Fran Drescher, who was the star of the series.  He was often credited as Peter Marc in his early acting roles.

Hand of Death: Hand of Death (), also known as Countdown in Kung Fu, is a 1976 Hong Kong martial arts film written and directed by John Woo, and starring Doran Tan and James Tien, and featuring early acting performances from Chan Yuan-lung, Sammo Hung and Yuen Biao in supporting roles.  In addition to their acting roles, Hung also worked as stunt co-ordinator, whilst Yuen also performed much of the stuntwork, including doubling for both of the principal stars.

Timeless (film): Timeless is a 2016 German science fiction film directed by Alexander Tuschinski.  Besides many German actors, it stars Helmut Berger

Supporting paragraphs: Sonia Petrovna Helmut Berger
Answer: Princess Sofia