She has appeared in Western films such as Avengers: Age of Ultron (2015), The Dark Tower (2017), and Fantastic Beasts: The Crimes of Grindelwald (2018), as well as in Korean dramas such as Queen of the Game (2006–2007), Gyeongseong Creature (2023–2024), and The Atypical Family (2024).

While enrolled, she worked as a reporter and announcer for three years in the school's English-language newspaper, Ewha Voice.

[6] Kim's interests in music, film, and other entertainment led her to participate in a Korea-China modeling competition in 2005,[7][8] which she won top prize in.

[citation needed] Producer Oh Se-kang saw Kim on a morning talk show, which led to her acting debut in the television series Queen of the Game (2006).

[9] Kim plays Park Joo-won, a friend of Lee Shin-jeon (Joo Jin-mo) and a law firm's international lawyer who loves him.