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.
TV credits
Rated 8.8 out of 10
Spooky in Love
2026
Rated 0.0 out of 10
WANNA ONE GO: Back to Base
2026
Rated 8.4 out of 10
Boyfriend on Demand
2026
Rated 5.8 out of 10
Love: Track
2025
Rated 7.7 out of 10
Strong Girl Nam-soon
2023
Rated 0.0 out of 10
Jae Joong and Friends
2023
Rated 6.5 out of 10
Would You Like a Cup of Coffee?
2021
Rated 5.5 out of 10
More Than Friends
2020
Rated 6.8 out of 10
At Eighteen
2019
Rated 8.2 out of 10
Traveler
2019
Rated 0.0 out of 10
Wanna One 컴백 쇼 POWER OF DESTINY
2018
Rated 0.0 out of 10
Star Road
2018
Rated 9.0 out of 10
Idol Room
2018
Rated 7.6 out of 10
Amazing Saturday
2018
Rated 0.0 out of 10
워너원 COMEBACK
2018
Rated 0.0 out of 10
COMEBACK WANNA ONE : Nothing Without You
2017
Rated 8.8 out of 10
Master Key
2017
Rated 0.0 out of 10
Wanna City
2017
Rated 8.0 out of 10
Wanna One Go
2017
Rated 1.0 out of 10
Idol Fever
2017
Rated 6.7 out of 10
Produce 101
2016
Rated 7.4 out of 10
Men on a Mission
2015
Rated 8.2 out of 10
SNL Korea
2011
Rated 6.0 out of 10
Law of the Jungle
2011