Kim Min-seo (actress, born 2009)

Kim Min-seo (Hangul: 김민서) is a South Korean child actress born in 2009. She has established a notable presence in the South Korean entertainment industry through numerous supporting and child-counterpart roles in both television dramas and feature films.

Portrait of actress Kim Min-seo — Kim Min-seo

Acting Career

Kim began her career as a child actress, appearing across major South Korean broadcasting networks and streaming platforms such as Netflix, Disney+, tvN, and KBS2. Her early television work included an appearance in the hit 2016 tvN series Guardian: The Lonely and Great God as Joon-Young. Over the following years, she expanded her portfolio with roles in television series including Hometown Cha-Cha-Cha (2021), Young Lady and Gentleman (2021–2022), and Mask Girl (2023).

In addition to television, Kim has appeared in feature films such as Maggie (2019), Jesters: The Game Changers (2019), and the romantic comedy-drama film New Year Blues (2021), where she portrayed Ji-Ho's daughter.

Filmography

Films

Maggie (2019) - Lee Kyung-Jin (young)
Jesters: The Game Changers (2019) - slash-and-burn farmers' land kid
New Year Blues (2021) - Ji-Ho's daughter

Television and Streaming Series

Guardian: The Lonely and Great God (tvN, 2016-2017) - Joon-Young (ep.8)
Dal-Soon's Spring (KBS2, 2017-2018)
Save Me 2 (OCN, 2019) - Kim Young-Sun (child) (ep.1,4-5)
My Wonderful Life (MBC, 2020-2021) - Lim Se-Ra
Delayed Justice (SBS, 2020-2021) - Jung Myung-Hee (child) (ep.3)
Hometown Cha-Cha-Cha (tvN, 2021) - Oh Ju-Ri
Young Lady and Gentleman (KBS2, 2021-2022) - Park Dan-Dan (child)
Never Give Up (Olleh TV-Seezn-Sky TV, 2022) - Kim Ji-Hyeon
Cafe Minamdang (KBS2, 2022) - Han Jang-Mi (young teen)
The First Responders (SBS, 2022) - Kim Hyun-Seo (ep.2)
Cold Blooded Intern (TVING, 2023) - Gong Yi-Young
Mask Girl (Netflix, 2023) - Kim Ye-Chun
Song of the Bandits (Netflix, 2023) - Eon-Nyeon (child) (ep.6-7)
Unmasked (Disney+, 2025) - Oh So-Ryong (teen)
Love on the Menu (KBS2, 2026) - Han Kyu-Min

Awards and Recognition

In 2022, Kim received the Best Youth Actor & Actress award at the SBS Drama Awards for her performance in the television series The First Responders.