Acting · Incheon, South Korea · Born August 25, 1995
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.
TVSpooky in Love
2026
as Kang Min-hwan
TVWANNA ONE GO: Back to Base
2026
TVBoyfriend on Demand
2026
as Bae Hyeon-woo
TVLove: Track
2025
as Ki Hyeon-ha
TVStrong Girl Nam-soon
2023
as Kang Hee-sik
TVJae Joong and Friends
2023
Movie20th Century Girl
2022
as Joseph / Poong Joon-ho
MovieLife Is Beautiful
2022
as Park Jeong-woo
MovieSeoul Vibe
2022
as Joon-gi
TVWould You Like a Cup of Coffee?
2021
as Kang Go-bi
TVMore Than Friends
2020
as Lee Soo
TVAt Eighteen
2019
as Choi Joon-Woo
TVTraveler
2019
as Self
TVWanna One 컴백 쇼 POWER OF DESTINY
2018
MovieWanna One World Tour One: The World in Seoul
2018
as Self
TVStar Road
2018
TVIdol Room
2018
as Self
TVAmazing Saturday
2018
as Self
TV워너원 COMEBACK
2018
TVCOMEBACK WANNA ONE : Nothing Without You
2017
TVMaster Key
2017
as Self
TVWanna City
2017
as Self
TVWanna One Go
2017
as Self
TVIdol Fever
2017
MovieSeongwoo is Alright
2017
as Ong Seongwoo
TVProduce 101
2016
as Self - Contestant
TVMen on a Mission
2015
as Self
TVSNL Korea
2011
as Self
TVLaw of the Jungle
2011
TVRunning Man
2010
TVYou Hee-yeol's Sketchbook
2009
as Self
TVRadio Star
2007
as Self
TVShow! Music Core
2005
as Host
MovieStarlight Falls
as Choi Gyeong-su
MovieCattle Run
as Kang Jeong-hoon
