Olli Ungvere (born Olga Marie Birk; 17 June 1906 – 12 December 1991)[1] was an Estonian stage and film actress and singer whose career spanned more than sixty years on the stages of most of Estonia's largest theaters.

[3] In 1931, while still a student at the Heino Eller Tartu Music College, she joined the Vanemuine theatre's operetta chorus.

From 1934 until 1936, she was engaged at the Ugala theatre in Viljandi as an operetta soloist and dramatic actress.

Her career in theatre spanned nearly sixty years, making her one of Estonia's most prolific stage performers.

[4][5] During her long stage career, she appeared in productions in works by: William Shakespeare, Richard Brinsley Sheridan, Marcel Pagnol, Erskine Caldwell, Maxim Gorky, Honoré de Balzac, Carlo Goldoni, Bertolt Brecht and Kurt Weill, Sergei Rachmaninoff, Edward Albee, among many others.