Kim Go-eun is a South Korean actress. She debuted in the film Eungyo (2012) where she won several Best New Actress awards in South Korea. She is also known for her role in the television series Cheese in the Trap (2016), Guardian: The Lonely and Great God (2016–2017), Yumi's Cells (2021–2022), and Little Women (2022), as well as the films Coin Locker Girl (2015), Hero (2022), and Exhuma (2024).

Guardian: The Lonely and Great God is a South Korean television series starring Gong Yoo in the title role, alongside Kim Go-eun, Lee Dong-wook, Yoo In-na, and Yook Sung-jae. Written by Kim Eun-sook, the series aired on tvN from December 2, 2016, to January 21, 2017.