
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.
Acting · 33
Spooky in Love
2026
Love: Track
2025
Seoul Vibe
2022
At Eighteen
2019
Traveler
2019
Star Road
2018
Idol Room
2018
Amazing Saturday
2018
워너원 COMEBACK
2018
Master Key
2017
Wanna City
2017
Wanna One Go
2017
Idol Fever
2017
Produce 101
2016
Men on a Mission
2015
SNL Korea
2011
Running Man
2010
Show! Music Core
2005
































