HomePeople Biography and filmographyKim Seo-yeon Biography unavailable on TMDB. Movies (1)TV shows (6) Photos Movies (1) Men of Plastic2022 · Doo-bi TV shows (6) Phantom School2022 · Sung So-jin Tomorrow2022 · Choi Min-young Jinx2021 · Chan Mi Imitation2021 · Hyun Oh's Ex-girlfriend Romance, Talking2020 · Park Da Yeon The Guilty Secret2019 · So Mi Ji