Ong Seong-wu
Biography
Ong Seong-wu is a South Korean singer and actor born on August 25, 1995, in Incheon, South Korea. He is known for his participation in the survival reality show Produce 101 Season 2, finishing in fifth place, and as a former member of the show's derivative boy group Wanna One. Following the disbandment of Wanna One, he made his acting debut in the 2019 drama At Eighteen, which was directed by Shim Na-yeon. He further established his career as a solo artist by releasing his first extended play, titled Layers, on March 25, 2020.
Career overview
Ong Seong-wu is a South Korean singer and actor born on August 25, 1995, in Incheon, South Korea. He is recognized for his participation in the survival reality show Produce 101 Season 2, where he finished in fifth place. Following the show, he became a member of its derivative boy group, Wanna One.
After the disbandment of Wanna One, Ong transitioned into acting and made his debut in the 2019 drama At Eighteen, which was directed by Shim Na-yeon. Alongside his acting pursuits, he established his career as a solo artist by releasing his first extended play, titled Layers, on March 25, 2020.
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Frequent co-stars
Career timeline
Full Filmography
36 titles- Spooky in Love (2026) as Kang Min-hwan
- Boyfriend on Demand (2026) as Bae Hyeon-woo
- WANNA ONE GO: Back to Base (2026)
- Love: Track (2025) as Ki Hyeon-ha
- Strong Girl Nam-soon (2023) as Kang Hee-sik
- Jae Joong and Friends (2023)
- 20th Century Girl (2022) as Joseph / Poong Joon-ho
- Seoul Vibe (2022) as Joon-gi
- Life Is Beautiful (2022) as Park Jeong-woo
- Would You Like a Cup of Coffee? (2021) as Kang Go-bi
- More Than Friends (2020) as Lee Soo
- At Eighteen (2019) as Choi Joon-Woo
- Traveler (2019) as Self
- Amazing Saturday (2018) as Self
- Star Road (2018)
- Idol Room (2018) as Self
- Wanna One World Tour One: The World in Seoul (2018) as Self
- 워너원 COMEBACK (2018)
- Wanna One 컴백 쇼 POWER OF DESTINY (2018)
- Master Key (2017) as Self
- Wanna One Go (2017) as Self
- COMEBACK WANNA ONE : Nothing Without You (2017)
- Seongwoo is Alright (2017) as Ong Seongwoo
- Wanna City (2017) as Self
- Idol Fever (2017)
- Produce 101 (2016) as Self - Contestant
- Produce 101 (2016) as Self
- Men on a Mission (2015) as Self
- Law of the Jungle (2011)
- SNL Korea (2011) as Self
- Running Man (2010)
- You Hee-yeol's Sketchbook (2009) as Self
- Radio Star (2007) as Self
- Show! Music Core (2005) as Host
- Starlight Falls as Choi Gyeong-su
- Cattle Run as Kang Jeong-hoon
Frequently Asked Questions
What movies or TV shows is Ong Seong-wu best known for?
Ong Seong-wu is widely recognized for notable roles and projects including Spooky in Love (2026), Boyfriend on Demand (2026), Strong Girl Nam-soon (2023), 20th Century Girl (2022).
When and where was Ong Seong-wu born?
Ong Seong-wu was born on August 25, 1995 in Incheon, South Korea.
How many credits does Ong Seong-wu have?
Ong Seong-wu has accumulated over 36 film and television credits across a career spanning from 2005 to 2026.
What is Ong Seong-wu's background in cinema and television?
Ong Seong-wu is a South Korean singer and actor born on August 25, 1995, in Incheon, South Korea. He is known for his participation in the survival reality show Produce 101 Season 2, finishing in fifth place, and as a former member of the show's derivative boy group Wanna One. Following the disbandment of Wanna One, he...
Ong Seong-wu by the numbers
Age in their best-rated roles
- Idol Room (2018) as Self — aged about 22
- Boyfriend on Demand (2026) as Bae Hyeon-woo — aged about 30
- 20th Century Girl (2022) as Joseph / Poong Joon-ho — aged about 26
- SNL Korea (2011) as Self — aged about 15
- Running Man (2010) — aged about 14
- Strong Girl Nam-soon (2023) as Kang Hee-sik — aged about 27
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