There is no biography for Seo Yi-soo yet.
Show · 2019
Show · 2023
Movie · 2022
Show · 2021
2026
as Yi-su (segment "Naturally")
2025
as Cho-hui
2023
as Tsetseg / Gang Nam-soon (Teen)
2022
as Eun-yi
as Yu-na
2021
as In Yoon Jo | In Sun Joo [Child] (Ep. 1, 9, 11) · 12 episodes
2019
as Dongbaek (young) · 7 episodes
as Ji Hyun-mi · 4 episodes
