During her many years at the theatre, she has performed in memorable roles in works by international authors and playwrights such as: Shakespeare, Molière, Guilherme Figueiredo, Eugene O'Neill, Federico García Lorca, Jean Genet, Sławomir Mrożek, Rainer Werner Fassbinder, Dario Fo, Eduard Uspensky, Arthur Conan Doyle, Martin McDonagh, Alexandre Dumas, Thomas Mann, Martin McDonagh and Evelyn Waugh, among others.

Memorable roles in works by Estonian authors and playwrights include those of: Rein Saluri, Paul Kuusberg, Hugo Raudsepp, A. H. Tammsaare, and Jaan Tätte, among others.

[6] This was followed by the role of Ivo's mother in the 1994 Finnish-Estonian comedy television film Amerikan unelma, directed by Kalle Pursiainen for Yleisradio (YLE).

In 1995, she appeared as Maria in the ETV historical drama miniseries Wikmani poised, based on the 1988 novel of the same name by Estonian author Jaan Kross.

From 2010, she had a recurring role as Aino Kessner in the historical comedy series ENSV: Eesti Nõukogude Sotsialistlik Vabariik, which reflects on life during the early 1980s in the Estonian Soviet Socialist Republic.

[10][11] In 1997, Vannari played Russian Bolshevik revolutionary, politician, and the wife of Vladimir Lenin, Nadezhda Krupskaya in the Hardi Volmer directed Estonian historic comedy Minu Leninid, starring Üllar Saaremäe.

[14][15] The following year she appeared as Helga in the romantic drama Kertu, again directed by Ilma Raag, and starring Ursula Ratasepp and Mait Malmsten.

[16] In 2020, she voiced the character of Grandmother in the Meelis Arulepp and Karsten Kiilerich directed animated feature film Sipsik, based on the popular 1962 children's book of the same title by Eno Raud.