Kim Go-eun Biography: A Journey of Her Life, Education and Career

In 2012, Kim was catapulted from obscurity to the center of much media buzz when she was cast as Eun-gyo, a 17-year-old high school student who awakens the lust of two men, in A Muse. Her performance swept the Best New Actress awards that year.The 21-year-old had never appeared in a film or TV drama before, not even in a minor role; she had only previously acted in student productions or school plays.

Source: https://magzentine.com/kim-go-eun-biography-a-journey-of-her-life-education-and-career/