
Ong Seong-wu
Department: Acting
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

20th Century Girl
2022

Starlight Falls
—

Life Is Beautiful
2022

Wanna One World Tour One: The World in Seoul
2018

Cattle Run
—

Seoul Vibe
2022

Seongwoo is Alright
2017

Running Man
2010

Produce 101
2016

Law of the Jungle
2011

Would You Like a Cup of Coffee?
2021

워너원 COMEBACK
2018

Wanna One 컴백 쇼 POWER OF DESTINY
2018

COMEBACK WANNA ONE : Nothing Without You
2017

Master Key
2017

Strong Girl Nam-soon
2023

You Hee-yeol's Sketchbook
2009

Produce 101
2016

Wanna City
2017

At Eighteen
2019

Wanna One Go
2017

Men on a Mission
2015

Amazing Saturday
2018

SNL Korea
2011

Idol Room
2018

Show! Music Core
2005

Traveler
2019

More Than Friends
2020

Star Road
2018

Spellbound
2026

Love: Track
2025

Idol Fever
2017

Boyfriend on Demand
2026