Among her graduating classmates were actors Mari Lill, Katrin Karisma, Ago Roo, Raivo Trass, Enn Klooren, Jaan Tooming, Peeter Jakobi, and Kalju Komissarov.
[4] During her years on the stages of Estonian theatres, she would appear in notable productions of works by such varied foreign authors and playwrights as: Peter Shaffer, Friedrich Schiller, Aleksei Arbuzov, Maxim Gorky, Grigori Gorin, Imre Kertész, Jerome Kilty, Neil Simon, Leo Fall, Jean Anouilh, and Guy de Maupassant.
[1] Helenurm also had a long career as a voice actress on radio, where she performed in a number of dramas and serials and participated in the long-running Eesti Raadio program Meelejahutaja.
[5] In 1974, she garnered critical praise for her role as Mrs. Erlynne in a televised stage production of Oscar Wilde's Lady Windermere's Fan, which was directed by former Tallinn State Conservatory classmate Raivo Trass and broadcast on Eesti Televisioon (ETV).
This was followed by a small role in the television drama film Õnnelind flamingo in 1986, again, directed by Tõnis Kask, and based on the 1984 novel Meie pole süüdi by Estonian author Raimond Kaugver.