HomePeople Biography and filmographyKim Seong-tae Biography unavailable on TMDB. Movies (0)TV shows (3) Photos Movies (0) No credits available. TV shows (3) Secret Relationships2025 · Park Jeong-hun High Class2021 · Alex Comer Ga Doo Ri’s Sushi Restaurant2020 · Seong Gi Kwang [Doo Ri's ex-boyfriend]