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Portrait of Ong Seong-wu

Ong Seong-wu

Bio: 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

Born: Fri, Aug 25 1995

Birthplace: Incheon, South Korea

Ong Seong-wu is 30 years old

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Movies (Acting Roles)

Sorted by Release Date

Poster of 20th Century Girl

20th Century Girl

Ong Seong-wu was 27 in 20th Century Girl as 'Joseph / Poong Joon-ho'.

Movie Released: Thu, Oct 06 2022

Poster of Life Is Beautiful

Life Is Beautiful

Ong Seong-wu was 27 in Life Is Beautiful as 'Park Jeong-woo'.

Movie Released: Wed, Sep 28 2022

Poster of Seoul Vibe

Ong Seong-wu was 27 in Seoul Vibe as 'Joon-gi'.

Movie Released: Fri, Aug 26 2022

Poster of Wanna One World Tour One: The World in Seoul

Wanna One World Tour One: The World in Seoul

Ong Seong-wu was 23 in Wanna One World Tour One: The World in Seoul as 'Self'.

Movie Released: Wed, Nov 07 2018

Poster of Seongwoo is Alright

Seongwoo is Alright

Ong Seong-wu was 21 in Seongwoo is Alright as 'Ong Seongwoo'.

Movie Released: Mon, Jun 19 2017

Poster of Cattle Run

Ong Seong-wu will be 30+ in Cattle Run as 'Kang Jeong-hoon'.

Movie Released: Unreleased

Poster of Starlight Falls

Starlight Falls

Ong Seong-wu will be 30+ in Starlight Falls as 'Choi Gyeong-su'.

Movie Released: Unreleased

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Poster of Spooky in Love

Ong Seong-wu will be 30+ in Spooky in Love as 'Kang Min-hwan'.

TV Show Released: First Air Date
Sat, Jul 18 2026

Poster of WANNA ONE GO: Back to Base

WANNA ONE GO: Back to Base

Ong Seong-wu was 30+ in WANNA ONE GO: Back to Base

TV Show Released: First Air Date
Tue, Apr 28 2026

Poster of Boyfriend on Demand

Boyfriend on Demand

Ong Seong-wu was 30+ in Boyfriend on Demand as 'Bae Hyeon-woo'.

TV Show Released: First Air Date
Fri, Mar 06 2026

Poster of Love: Track

Ong Seong-wu was 30+ in Love: Track as 'Ki Hyeon-ha'.

TV Show Released: First Air Date
Sun, Dec 14 2025

Poster of Strong Girl Nam-soon

Strong Girl Nam-soon

Ong Seong-wu was 28+ in Strong Girl Nam-soon as 'Kang Hee-sik'.

TV Show Released: First Air Date
Sat, Oct 07 2023

Poster of Jae Joong and Friends

Jae Joong and Friends

Ong Seong-wu was 27+ in Jae Joong and Friends

TV Show Released: First Air Date
Thu, Jul 27 2023

Poster of Would You Like a Cup of Coffee?

Would You Like a Cup of Coffee?

Ong Seong-wu was 26+ in Would You Like a Cup of Coffee? as 'Kang Go-bi'.

TV Show Released: First Air Date
Sun, Oct 24 2021

Poster of More Than Friends

More Than Friends

Ong Seong-wu was 25+ in More Than Friends as 'Lee Soo'.

TV Show Released: First Air Date
Fri, Sep 25 2020

Poster of At Eighteen

Ong Seong-wu was 23+ in At Eighteen as 'Choi Joon-Woo'.

TV Show Released: First Air Date
Mon, Jul 22 2019

Poster of Traveler

Ong Seong-wu was 23+ in Traveler as 'Self'.

TV Show Released: First Air Date
Thu, Feb 21 2019

Poster of Wanna One 컴백 쇼 POWER OF DESTINY

Wanna One 컴백 쇼 POWER OF DESTINY

Ong Seong-wu was 23+ in Wanna One 컴백 쇼 POWER OF DESTINY

TV Show Released: First Air Date
Thu, Nov 22 2018

Poster of Star Road

Ong Seong-wu was 22+ in Star Road

TV Show Released: First Air Date
Sun, Jul 08 2018

Poster of Idol Room

Ong Seong-wu was 22+ in Idol Room as 'Self'.

TV Show Released: First Air Date
Sat, May 12 2018

Poster of Amazing Saturday

Amazing Saturday

Ong Seong-wu was 22+ in Amazing Saturday as 'Self'.

TV Show Released: First Air Date
Sat, Apr 07 2018

Poster of 워너원 COMEBACK

워너원 COMEBACK

Ong Seong-wu was 22+ in 워너원 COMEBACK

TV Show Released: First Air Date
Mon, Mar 19 2018

Poster of COMEBACK WANNA ONE : Nothing Without You

COMEBACK WANNA ONE : Nothing Without You

Ong Seong-wu was 22+ in COMEBACK WANNA ONE : Nothing Without You

TV Show Released: First Air Date
Fri, Nov 03 2017

Poster of Master Key

Ong Seong-wu was 22+ in Master Key as 'Self'.

TV Show Released: First Air Date
Sat, Oct 14 2017

Poster of Wanna City

Ong Seong-wu was 22+ in Wanna City as 'Self'.

TV Show Released: First Air Date
Sat, Oct 07 2017

Poster of Wanna One Go

Ong Seong-wu was 21+ in Wanna One Go as 'Self'.

TV Show Released: First Air Date
Thu, Aug 03 2017

Poster of Idol Fever

Ong Seong-wu was 21+ in Idol Fever

TV Show Released: First Air Date
Fri, Jul 07 2017

Poster of Produce 101

Ong Seong-wu was 20+ in Produce 101 as 'Self - Contestant, Self'.

TV Show Released: First Air Date
Fri, Jan 22 2016

Poster of Men on a Mission

Men on a Mission

Ong Seong-wu was 20+ in Men on a Mission as 'Self'.

TV Show Released: First Air Date
Sat, Dec 05 2015

Poster of SNL Korea

Ong Seong-wu was 16+ in SNL Korea as 'Self'.

TV Show Released: First Air Date
Sat, Dec 03 2011

Poster of Law of the Jungle

Law of the Jungle

Ong Seong-wu was 16+ in Law of the Jungle

TV Show Released: First Air Date
Fri, Oct 21 2011

Poster of Running Man

Ong Seong-wu was 14+ in Running Man

TV Show Released: First Air Date
Sun, Jul 11 2010

Poster of You Hee-yeol's Sketchbook

You Hee-yeol's Sketchbook

Ong Seong-wu was 13+ in You Hee-yeol's Sketchbook as 'Self'.

TV Show Released: First Air Date
Fri, Apr 24 2009

Poster of Radio Star

Ong Seong-wu was 11+ in Radio Star as 'Self'.

TV Show Released: First Air Date
Wed, May 30 2007

Poster of Show! Music Core

Show! Music Core

Ong Seong-wu was 10+ in Show! Music Core as 'Host'.

TV Show Released: First Air Date
Sat, Oct 29 2005