Acting
Ong Seong-wu
Also Known As: 옹성우, Ong Seong Wu, Ong Seong-woo
Birth Date
August 25, 1995
(31 years old)
Place of Birth
Incheon, South Korea
Popularity
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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.
Photos
Radio Star
Self
2007 • 1 episode
Men on a Mission
Self
2015 • 2 episodes
Amazing Saturday
Self
2018 • 1 episode
Law of the Jungle
2011 • 5 episodes
Running Man
2010 • 1 episode
You Hee-yeol's Sketchbook
Self
2009 • 1 episode
Show! Music Core
Host
2005 • 2 episodes
SNL Korea
Self
2011 • 1 episode
Star Road
2018 • 24 episodes
Spooky in Love
Kang Min-hwan
2026 • 12 episodes
Boyfriend on Demand
Bae Hyeon-woo
2026 • 2 episodes
Strong Girl Nam-soon
Kang Hee-sik
2023 • 16 episodes
Idol Room
Self
2018 • 1 episode
20th Century Girl
Joseph / Poong Joon-ho
2022
Jae Joong and Friends
2023 • 1 episode
Produce 101
Self - Contestant
2016 • 11 episodes
Master Key
Self
2017 • 8 episodes
Love: Track
Ki Hyeon-ha
2025 • 1 episode
At Eighteen
Choi Joon-Woo
2019 • 16 episodes
Seoul Vibe
Joon-gi
2022