[1] She developed her voice acting skills from an early age, taking on the role of master of ceremonies for a children's programme when she was in the second grade of elementary school.

[6] Kwon also voiced the dub of Marie Antoinette in Lady Oscar, Shira in Queen of the Universe She Ra,[2] and the role of Cordelia in the animated film Py Story.

[6] Kwon received popularity voicing the character of her stepmother Yoo Ji-ae in the animation series Run Hani.

[7] She was the dubbed voice of the protagonist Lara in Doctor Zhivago,[4] and was the narrator of a 1988 television advertisement for a Samsung Electronics video player product featuring the actress Choi Jin-sil with the tagline "It’s up to you to be a man or a woman”,[3][8] which earned her national recognition.

[4] In 1999, she authored the essay collection entitled A woman's voice is up to her, which received a positive review from Yes24,[10] and was the CEO of Seoul Sound Design.