Tatiana Okunevskaia was born on March 3, 1914, in Zavidovo, Moscow Governorate (Russian Empire, now Tver Oblast).
The daughter of a noble family, her father, Kirill Titovich Okunevsky (1876–1937), was an officer in the Tsarist army.
In theater, she made her acting debut at the Moscow Realist Theater from 1933 to 1937, before joining the Gorky Theater in Nizhny Novgorod in 1937–1938. From 1943 to 1948, she was an actress at the Lenkom Theater in Moscow.
In film, her screen debut was in 1934 with the silent film Pushka ("Ball of Suet") directed by Mikhail Romm, in which she played Madame Carré-Lamadon.
In 1947, she was named Honored Artist of the RSFSR.
In 1948, according to Wikipedia, Tatiana Okunevskaya was sexually assaulted by Lavrentiy Beria, before being arrested on November 13, 1948, for "anti-Soviet agitation and propaganda." She was imprisoned and sentenced to 10 years of forced labor in the Steplag camp in Dzhezqasgan, before being transferred to other gulags.
In 1954, she was rehabilitated and released. She gradually resumed her career in theater and film.
Tatiana Okunevskaya died on May 15, 2002, in Moscow, at the age of 88, and was buried in the Vagankovo Cemetery in Moscow.