Sofia Vassilieva Sofia Vassilieva, Actress: My Sister's Keeper. Sofia Vassilieva was born on October 22, 1992 in Minneapolis, Minnesota, USA as Sofia Vladimirovna Vassilieva. She is an actress, known for Sisareni puolesta (2009), Näkijä (2005) and The Wonderful World of Disney (1995). Sofia Vassilieva is an American actress. She is best known for her role on 'Medium.' She also has a leading role in the 2009 tearjerker 'My Sister's Keeper.' Thanks for signing up! Please check your email (you may need to check your promotions tab) to confirm your subscription! Sofia Vassilieva. Main. Articles. Pictures. Sofia Vassilieva. View Sofia Vassilieva Pictures ». Red Carpet Arrivals at 'Call Me Crazy' Premiere. Sofia Vladimirovna Vassilieva (born October 22, 1992) is an American actress. Her most notable roles include the children's book Eloise in Eloise at the Plaza and Eloise at Christmastime, Ariel DuBois in the Emmy-winning TV series Medium, and teenage cancer patient Kate Fitzgerald in the 2009 film adaptation of My Sister's Keeper by Jodi Picoult. Vassilieva was born in Minneapolis, Minnesota, in Hennepin County Medical Center, the daughter and only child of Russian immigrants Dr. Larissa Vassilieva, a Sofia Vassilieva - She was a presenter of Family Feature Film on 19th Genesis Award 2005, which was broadcast on Animal planet on May 14 & 15, 2005. She was nominated for a Syfyportal Genre Award as best young actor/actress for her role in Mediu. Stats. Birth Name: Sofia Vladimirovna Vassilieva. Age: 26, born 22 October 1992. Born and residing in: United States. Sofia Vassilieva. Russian Heritage. Childhood and Family: âœMy mother is my hero.â Sofia Vassilieva. At the age of 7, Sofia Vassilieva was discovered at the International Modeling and Talent Association (IMTA) in New York, where she won 7 awards, including the title of Child Actress and first runner-up Child Model Of The Year in 2000. In the following year, she entered television with a guest spot as Elena, the granddaughter of a retired Russian General, in the episode "Deadline" of CBS serial drama "The Agency.".