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1995Born, Incheon
13Credits
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.
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Known for
20th Century GirlJoseph / Poong Joon-ho
Seoul VibeJoon-gi
Boyfriend on DemandBae Hyeon-woo
Strong Girl Nam-soonKang Hee-sik
Spooky in LoveKang Min-hwan2026Boyfriend on DemandBae Hyeon-woo · 2 episodesShow
2025Love: TrackKi Hyeon-ha · 1 episodeShow
2023Strong Girl Nam-soonKang Hee-sik · 16 episodesShow
202220th Century GirlJoseph / Poong Joon-hoMovie
2022Life Is BeautifulPark Jeong-wooMovie
2022Seoul VibeJoon-giMovie
2021Would You Like a Cup of Coffee?Kang Go-bi · 12 episodesShow
2020More Than FriendsLee Soo · 16 episodesShow
2019At EighteenChoi Joon-Woo · 16 episodesShow
2017Idol Fever10 episodesShow
2017Seongwoo is AlrightOng SeongwooMovie
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