Reactr / Actors / Ong Seong-wu
Ong Seong-wu
Actor

Ong Seong-wu

Known for Acting
Born 1995-08-25 in Incheon, South Korea
Age 31
Mostly Drama

Their next trailer: Cattle Run, December 2026.

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1Films in catalog
7Credits
2017 to 2026Years active
3Trailers on Reactr
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.

Biography from TMDB.

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Ong Seong-wu titles you can react to

Cattle Run
Filmography

Every Ong Seong-wu trailer, newest first

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Cattle Run
2026 · Trailer
as Kang Jeong-hoon
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20th Century Girl
2022 · Trailer
as Joseph / Poong Joon-ho
Life Is Beautiful poster
Life Is Beautiful
2022
as Park Jeong-woo
Seoul Vibe
2022 · Trailer
as Joon-gi
Wanna One World Tour One: The World in Seoul poster
Wanna One World Tour One: The World in Seoul
2018
as Self
Seongwoo is Alright poster
Seongwoo is Alright
2017
as Ong Seongwoo
Starlight Falls poster
Starlight Falls
Release date to be announced
as Choi Gyeong-su

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