She became known after starring in the movie Bless the Woman (2004), for which she received a nomination for the Nika Award and continued her career with the role of clairvoyant Cassandra in the historic television series Mascot Love (2005). In 2008 she won the award Polish Film Festival for Best Actress in a Little Moscow. She is also known for her roles in box office films Love in the City (2009), its sequel, Love in the City 2 (2010) and Office Romance. Our Time (2011). She is currently stars in the TV series Lavrova's Method, and appears as Irina in Tinker Tailor Soldier Spy, a 2011 English-language espionage film directed by Tomas Alfredson, based on the 1974 novel by John le Carré.
He made his stage and screen debut in mid 1970's as schoolboy. In 1982-1984 Yefremov served in Soviet Army. In 1987 he graduated from the Moscow Art Theatre School.
