Oleg moved to Khabarovsk in the early 1970s, worked at the Drama Theater of the Red Banner Far Eastern Military District (KDVO) in Ussuriysk.

Her parents divorced, and when Oksana was fourteen years old, her mother,Larisa Krigmont, remarried, and they moved to Moscow.

Fandera married director Filipp Yankovsky in 1990 and appeared in his films In Motion (2002), The State Counsellor (2005) and Rock Head (2008).

In 2010, the actress starred in the drama "Pro Lyuboff" about the Russian elite, where her screen partner was Fyodor Bondarchuk.

Fandera played in the satirical picture by Boris Khlebnikov Before the Night Will Tear us Apart which was made in 2012.