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

Running Man

Men on a Mission

You Hee-yeol's Sketchbook

Amazing Saturday

Law of the Jungle

SNL Korea

Radio Star

Star Road

All Movies (7)

• 20th Century Girl2022 · as Joseph / Poong Joon-ho
• Life Is Beautiful2022 · as Park Jeong-woo
• Seoul Vibe2022 · as Joon-gi
• Wanna One World Tour One: The World in Seoul2018 · as Self
• Seongwoo is Alright2017 · as Ong Seongwoo
• Starlight Falls— · as Choi Gyeong-su
• Cattle Run— · as Kang Jeong-hoon

All TV Shows (28)

• Spooky in Love2026 · as Kang Min-hwan
• WANNA ONE GO: Back to Base2026
• Boyfriend on Demand2026 · as Bae Hyeon-woo
• Love: Track2025 · as Ki Hyeon-ha
• Strong Girl Nam-soon2023 · as Kang Hee-sik
• Would You Like a Cup of Coffee?2021 · as Kang Go-bi
• More Than Friends2020 · as Lee Soo
• At Eighteen2019 · as Choi Joon-Woo
• Traveler2019 · as Self
• Wanna One 컴백 쇼 POWER OF DESTINY2018
• Star Road2018
• Idol Room2018 · as Self
• Amazing Saturday2018 · as Self
• 워너원 COMEBACK2018
• COMEBACK WANNA ONE : Nothing Without You2017
• Master Key2017 · as Self
• Wanna City2017 · as Self
• Wanna One Go2017 · as Self
• Idol Fever2017
• Produce 1012016 · as Self - Contestant
• Produce 1012016 · as Self
• Men on a Mission2015 · as Self
• SNL Korea2011 · as Self
• Law of the Jungle2011
• Running Man2010
• You Hee-yeol's Sketchbook2009 · as Self
• Radio Star2007 · as Self
• Show! Music Core2005 · as Host