Ile lat miała Sonia Petrovna w Obbligo di Giocare - Zugzwang? (1989)

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.