Ong Seong-wu
Biography
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.
Known For
TV
Men on a Mission
Self
2015
TV
Running Man
2010
TV
Amazing Saturday
Self
2018
TV
Law of the Jungle
2011
TV
Show! Music Core
Host
2005
TV
Boyfriend on Demand
Bae Hyeon-woo
2026
TV
SNL Korea
Self
2011
TV
You Hee-yeol's Sketchbook
Self
2009
TV
Star Road
2018
TV
Idol Room
Self
2018
TV
Strong Girl Nam-soon
Kang Hee-sik
2023
TV
Produce 101
Self - Contestant
2016
TV
Produce 101
Self
2016
Film
20th Century Girl
Joseph / Poong Joon-ho
2022
TV
Traveler
Self
2019
TV
Master Key
Self
2017
TV
At Eighteen
Choi Joon-Woo
2019
TV
Idol Fever
2017
TV
Love: Track
Ki Hyeon-ha
2025
TV
Would You Like a Cup of Coffee?
Kang Go-bi
2021
Filmography
2026TVSpellboundas Kang Min-hwan2026TVBoyfriend on Demandas Bae Hyeon-woo2025TVLove: Trackas Ki Hyeon-ha2023TVStrong Girl Nam-soonas Kang Hee-sik2022Film20th Century Girlas Joseph / Poong Joon-ho2022FilmLife Is Beautifulas Park Jeong-woo2022FilmSeoul Vibeas Joon-gi2021TVWould You Like a Cup of Coffee?as Kang Go-bi2020TVMore Than Friendsas Lee Soo2019TVAt Eighteenas Choi Joon-Woo2019TVTraveleras Self2018TVWanna One 컴백 쇼 POWER OF DESTINY2018FilmWanna One World Tour One: The World in Seoulas Self2018TVStar Road2018TVIdol Roomas Self2018TVAmazing Saturdayas Self2018TV워너원 COMEBACK2017TVCOMEBACK WANNA ONE : Nothing Without You2017TVMaster Keyas Self2017TVWanna Cityas Self2017TVWanna One Goas Self2017TVIdol Fever2017FilmSeongwoo is Alrightas Ong Seongwoo2016TVProduce 101as Self - Contestant2015TVMen on a Missionas Self2011TVSNL Koreaas Self2011TVLaw of the Jungle2010TVRunning Man2009TVYou Hee-yeol's Sketchbookas Self2005TVShow! Music Coreas Host—FilmStarlight Fallsas Choi Gyeong-su—FilmCattle Runas Kang Jeong-hoon