Ong Seong-wu
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.
Photos
Movies (7)
TV shows (28)

Spooky in Love
2026 · Kang Min-hwan

WANNA ONE GO: Back to Base
2026 · Self

Boyfriend on Demand
2026 · Bae Hyeon-woo

Love: Track
2025 · Ki Hyeon-ha

Strong Girl Nam-soon
2023 · Kang Hee-sik

Jae Joong and Friends
2023

Would You Like a Cup of Coffee?
2021 · Kang Go-bi

More Than Friends
2020 · Lee Soo

At Eighteen
2019 · Choi Joon-Woo

Traveler
2019 · Self

Wanna One Comeback: Power of Destiny
2018 · Self

Star Road
2018 · Self

Idol Room
2018 · Self

Amazing Saturday
2018 · Self

Wanna One Comeback: I Promise You
2018 · Self

Wanna One Comeback: Nothing Without You
2017 · Self

Master Key
2017 · Self

Wanna City
2017 · Self

Wanna One Go
2017 · Self

Idol Fever
2017

Produce 101
2016 · Self - Contestant, Self

Men on a Mission
2015 · Self

SNL Korea
2011 · Self

Law of the Jungle
2011

Running Man
2010

You Hee-yeol's Sketchbook
2009 · Self

Radio Star
2007 · Self

Show! Music Core
2005 · Host















