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Ong Seong-wu
ActorBorn August 25, 1995 (30 years)
Ong Seong-wu (born August 25, 1995) is a South Korean singer and actor. He is known for his participation in the survival reality show Produce 101 Season 2, where he finished in fifth place, and is a former member of the show's derivative boy group Wanna One. Following Wanna One's disbandment, Ong made his acting debut with the drama At Eighteen (2019) directed by Shim Na-yeon. He also established his career as a solo artist with the release of his first extended play, Layers, on March 25, 2020.
Filmography
| 2026 | Chilling Romance (TV Series) · as Kang Min-Hwan |
| 2026 | Boyfriend on Demand (TV Series) · as Bae Hyeon-Woo |
| 2025 | Love: Track (TV Series) · as Ki Hyeon-Ha |
| 2023 | Strong Girl Nam-soon (TV Series) · as Kang Hee-Sik |
| 2022 | 20th Century Girl · as Joseph / Poong Joon-Ho |
| 2022 | Life Is Beautiful · as Park Jeong-Woo |
| 2022 | Seoul Vibe · as Joon-Gi |
| 2021 | Would You Like a Cup of Coffee? (TV Series) · as Kang Go-Bi |
| 2020 | More Than Friends (TV Series) · as Lee Soo |
| 2019 | At Eighteen (TV Series) · as Choi Joon-Woo |
| 2011 | Law of the Jungle (TV Series) |
| 2010 | Running Man (TV Series) |
| 2005 | Show! Music Core (TV Series) · as Host |






