She then enrolled at the EMA Higher Drama School (now, the Estonian Academy of Music and Theatre) in Tallinn, graduating in 2006.

Among her graduating classmates were Inga Salurand, Risto Kübar, Mari-Liis Lill, Laura Peterson, Lauri Lagle, Britta Vahur, and Sergo Vares.

[3] Following her graduation from the EMA Higher Drama School in 2006, Ratasepp became engaged as a stage actress at the Tallinn City Theatre, where she is still currently employed.

Some of her more memorable roles at the Tallinn City Theatre include those in works by such authors and playwrights as Luigi Pirandello, William Butler Yeats, Nicholas Wright, A. H. Tammsaare, Carlo Gozzi, and J.

[4] From 2006 until 2007, she appeared in several episodes of the Eesti Televisioon (ETV) crime drama series Ohtlik lend in the role of Kaja.

In 2015, she had another starring role as Kadri in the Klaus Härö-directed period drama Vehkleja (English: The Fencer), which was adapted from the life story of Endel Nelis, and co-stars Märt Avandi as a fencer and instructor wanted by the Soviet secret police who eventually has to make a life-altering decision.