Born in Guriev. Graduated from the Sverdlovsk Theatre School in 1966. From 1966 till 1983 Gaitan worked at theatres in Sverdlovsk, Volgograd, Ryazan, Lipetsk, Vladivostok, Khabarovsk, Irkutsk and Tashkent. She was an actress at the Vremya theatre-studio from 1983 till 1985 before joining the Company of the Maly Drama Theatre. Now the actress plays Alexandra Lobanova in Brothers and Sisters, Hanger-on in Mumu, Lida in The Moscow Chorus, Nurse in The Light Princess, Anna in Stars in the Morning Sky, Robber hag in The Snow Queen. Gaitan has appeared in the following films: The Burglar, Gunpowder, The Tower, The Life of Klim Samgin, Miss Millionaire, Cry in the Night, Oh, You, Geese, In That Country, The Witness, The Mansion, Christmas Mystery and The Tale of Fedor the Strelets.