Acting Seo Sung-jong No English biography on TMDB yet.TMDB page Filmography (3) The Apartment JobSeries · 2026 · as Oh Dong-ho · 11 ep.★ 8.5 Strong Girl Nam-soonSeries · 2023 · as Polearm seller's subordinate · 1 ep.★ 7.7 Hospital PlaylistSeries · 2020 · as Heart Patient · 1 ep.★ 8.6
