Ong Seong-wu
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
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Filmography
Acting (38)
Movies (8)
Cattle Run
2026 Upcomingas Kang Jeong-hoon
Dec 2
Love Track: When We Were Wired
2025as Ki Hyun-Ha
20th Century Girl
2022as Joseph / Poong Joon-ho
Seoul Vibe
2022as Joon-gi
Life Is Beautiful
2022as Park Jeong-woo
Wanna One World Tour One: The World in Seoul
2018as Himself
Seongwoo is Alright
2017as Ong Seongwoo
Starlight Falls
as Choi Gyeong-su
Television (30)
Spooky in Love
2026as Kang Min-hwan
Boyfriend on Demand
2026as role name
Boyfriend on Demand
2026as Bae Hyeon-woo
WANNA ONE GO: Back to Base
2026
Love: Track
2025as Ki Hyeon-ha
Strong Girl Nam-soon
2023as Kang Hee-sik
Jae Joong and Friends
2023
Would You Like a Cup of Coffee?
2021as Kang Go-bi
More Than Friends
2020as Lee Soo
At Eighteen
2019as Choi Joon-Woo
Traveler
2019as Self
Amazing Saturday
2018as Self
Star Road
2018
Idol Room
2018as Self
Wanna One Comeback: I Promise You
2018
Wanna One Comeback: Power of Destiny
2018
Master Key
2017as Self
Wanna One Comeback: Nothing Without You
2017
Idol Fever
2017
Wanna One Go
2017as Self
Wanna City
2017as Self
Produce 101
2016as Self - Contestant
Produce 101
2016as Self
Men on a Mission
2015as Self
Law of the Jungle
2011
SNL Korea
2011as Self
Running Man
2010
You Hee-yeol's Sketchbook
2009as Self
Radio Star
2007as Self
Show! Music Core
2005as Host
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