Ong Seong Wu
- Name: Ong Seong Wu
- Native name: 옹성우
- Also Known as: Ong Seong Woo, Ong Sung Woo, Ong Seong U, 邕聖祐, Ong Sung U
- Nationality: South Korean
- Gender: Male
- Born: August 25, 1995
- Age: 30
In mid-2017, he participated in the survival competition "Produce 101 Season 2" and managed to end up in 5th place, earning a spot in the resulting project group.
He made his debut in August 2017 as WANNA ONE's main dancer and lead vocalist with their first mini-album, "1X1=1 (To Be One)". The contract with Swing Entertainment (스윙엔터테인먼트) was made for one year and six months, so the group officially disbanded in January 2019 following their final concert performance.
He returned to Fantagio (판타지오) and made his debut as an actor in July 2019 with a role in the JTBC drama "At Eighteen". He then made his debut as a solo artist, releasing the digital single "We Belong" in January 2020.
He enlisted for his mandatory military service on April 17, 2023, and was discharged on October 16, 2024.
After serving, he continues to promote as a soloist and as an actor.
(Source: kisskh) Edit Biography
Drama
| Title | Rating |
|---|---|
Spooky in Love
Korean Drama, 2026, 12 eps
Kang Min Hwan
(Main Role)
|
0.0
|
Boyfriend on Demand
Korean Drama, 2026, 10 eps
Bae Hyeon U [Virtual boyfriend] (Ep. 4, 9)
(Cameo)
|
8.0
|
Strong Girl Nam Soon
Korean Drama, 2023, 16 eps
Kang Hui Sik
(Main Role)
|
7.2
|
Would You Like a Cup of Coffee?
Korean Drama, 2021, 12 eps
Kang Go Bi
(Main Role)
|
8.0
|
More Than Friends
Korean Drama, 2020, 16 eps
Lee Su
(Main Role)
|
7.3
|
Moment at Eighteen
Korean Drama, 2019, 16 eps
Choi Jun Woo
(Main Role)
|
7.9
|
Idol Fever
Korean Drama, 2017, 10 eps
Himself (Ep. 1-2)
(Guest Role)
|
6.8
|
Movie
| Title | Rating |
|---|---|
Starlight Is Falling
Korean Movie, 0000,
Choi Gyeong Su
(Main Role)
|
0.0
|
Jung Family's Farm
Korean Movie, 2026,
Kang Jeong Hun
(Support Role)
|
0.0
|
20th Century Girl
Korean Movie, 2022,
Joseph [Un Ho’s brother]
(Guest Role)
|
8.6
|
Life Is Beautiful
Korean Movie, 2022,
Jeong U
(Main Role)
|
7.6
|
Seoul Vibe
Korean Movie, 2022,
Jun Gi
(Main Role)
|
7.8
|
Seong Wu is Alright
Korean Movie, 2017,
(Main Role)
|
7.9
|
Drama
| Title | Rating |
|---|---|
Love Track: When We Were Wired
Korean Drama, 2025, 1 eps
Ki Hyeon Ha
(Main Role)
|
7.3
|
TV Show
| Title | Rating |
|---|---|
Wanna One Go: Back to Base
Korean TV Show, 2026, 6 eps
(Regular Member)
|
8.5
|
Boys II Planet K
Korean TV Show, 2025, 2 eps
[Planet Master]
(Guest)
|
7.4
|
Boys II Planet
Korean TV Show, 2025, 13 eps
[Planet Master]
(Guest)
|
7.5
|
Jang's Car Wash
Korean TV Show, 2024, 12 eps
(Ep. 6)
(Guest)
|
0.0
|
Jae Joong and Friends
Korean TV Show, 2023, 100 eps
(Ep. 80)
(Guest)
|
8.3
|
Story of the Day When You Bite Your Tail Season 3
Korean TV Show, 2021, 250 eps
(Ep. 209)
(Guest)
|
8.0
|
Traveler Season 2
Korean TV Show, 2020, 10 eps
(Regular Member)
|
8.2
|
Midnight Idol
Korean TV Show, 2019, 345 eps
(Ep. 290)
(Guest)
|
8.2
|
TMI NEWS
Korean TV Show, 2019, 56 eps
(Ep. 34)
(Guest)
|
7.9
|
2018 MBC Music Festival: The Live
Korean TV Show, 2018, 1 eps
[Performer]
(Regular Member)
|
7.5
|
2018 SBS Gayo Daejeon: The Wave
Korean TV Show, 2018, 1 eps
[Performer]
(Regular Member)
|
8.0
|
Wanna Travel Season 2: In Pattaya
Korean TV Show, 2018, 10 eps
(Main Host)
|
8.3
|
Wanna One Amigo TV Season 4
Korean TV Show, 2018, 3 eps
(Regular Member)
|
8.1
|
Happy Together Season 4
Korean TV Show, 2018, 77 eps
(Ep. 6)
(Guest)
|
7.8
|
Music Bank in Berlin
Korean TV Show, 2018, 1 eps
(Guest)
|
8.3
|
Star Road: Wanna One
Korean TV Show, 2018, 24 eps
(Main Host)
|
8.2
|
Law of the Jungle in Sabah
Korean TV Show, 2018, 9 eps
(Ep. 1-5)
(Guest)
|
8.1
|
Wanna Travel
Korean TV Show, 2018, 12 eps
(Regular Member)
|
8.3
|
Idol Room
Korean TV Show, 2018, 87 eps
(Ep. 1, 33)
(Guest)
|
7.9
|
Wanna One Go Season 3: X-CON
Korean TV Show, 2018, 5 eps
(Regular Member)
|
8.1
|
Amazing Saturday
Korean TV Show, 2018, 450 eps
(Ep. 14)
(Guest)
|
8.2
|
Wanna One Go in Jeju
Korean TV Show, 2018, 3 eps
(Regular Member)
|
8.2
|
Music Bank in Chile
Korean TV Show, 2018, 1 eps
(Guest)
|
8.0
|
Omniscient Interfering View
Korean TV Show, 2018, 400 eps
(Ep. 95-96) | [Special appearance] (Ep. 356)
(Guest)
|
7.8
|
2018 Idol Star Athletics Championships
Korean TV Show, 2018, 4 eps
(Regular Member)
|
7.8
|
I Can See Your Voice Season 5
Korean TV Show, 2018, 13 eps
(Ep. 3)
(Guest)
|
8.1
|
Two Yoo Project Sugar Man Season 2
Korean TV Show, 2018, 19 eps
(Ep. 9)
(Guest)
|
7.5
|
Wanna One Amigo TV Season 2
Korean TV Show, 2018, 6 eps
(Main Host)
|
8.3
|
Master in the House
Korean TV Show, 2017, 238 eps
[1-Day Disciple] (Ep. 112-113)
(Guest)
|
8.6
|
2017 MBC Music Festival: The Fan
Korean TV Show, 2017, 1 eps
[Performer]
(Regular Member)
|
7.2
|
2017 SBS Gayo Daejeon: Number One
Korean TV Show, 2017, 2 eps
[Performer]
(Regular Member)
|
7.9
|
Wanna One Go Season 2: Zero Base
Korean TV Show, 2017, 8 eps
(Regular Member)
|
8.8
|
K-RUSH Season 2
Korean TV Show, 2017, 10 eps
(Ep. 7-8)
(Guest)
|
8.0
|
Master Key
Korean TV Show, 2017, 13 eps
(Ep. 1, 4-10)
(Regular Member)
|
8.1
|
Wanna City
Korean TV Show, 2017, 4 eps
(Regular Member)
|
8.0
|
OK Wanna One
Korean TV Show, 2017, 41 eps
(Regular Member)
|
8.3
|
Wanna One Go
Korean TV Show, 2017, 2 eps
(Main Host)
|
8.6
|
Living Together in Empty Room
Korean TV Show, 2017, 49 eps
(Ep. 25–29)
(Regular Member)
|
7.7
|
Produce 101 Season 2
Korean TV Show, 2017, 11 eps
[Contestant]
(Regular Member)
|
8.3
|
Saturday Night Live Korea Season 9
Korean TV Show, 2017, 33 eps
[Host] (Ep. 20-21)
(Guest)
|
7.9
|
Fact iN Star
Korean TV Show, 2016, 200 eps
(Ep. 79)
(Guest)
|
8.2
|
Knowing Bros
Korean TV Show, 2015, 600 eps
(Ep. 122, 156)
(Guest)
|
8.6
|
Please Take Care of My Refrigerator
Korean TV Show, 2014, 254 eps
(Ep. 182-183)
(Guest)
|
7.8
|
The Return of Superman
Korean TV Show, 2013, 640 eps
(Ep. 194-195)
(Guest)
|
8.6
|
I Live Alone
Korean TV Show, 2013, 650 eps
(Ep. 220)
(Guest)
|
8.4
|
Show Champion
Korean TV Show, 2012, 450 eps
[Performer] (Ep. 241-243, 264, 273, 294)
(Guest)
|
7.6
|
Weekly Idol
Korean TV Show, 2011, 707 eps
(Ep. 315-316, 350)
(Guest)
|
8.1
|
Immortal Songs: Singing the Legend
Korean TV Show, 2011, 800 eps
(Ep. 318)
(Guest)
|
8.2
|
Hello Counselor
Korean TV Show, 2010, 431 eps
(Ep. 357)
(Guest)
|
7.9
|
Running Man
Korean TV Show, 2010, 850 eps
(Ep. 496)
(Guest)
|
9.2
|
Radio Star
Korean TV Show, 2007, 975 eps
(Ep. 560, 661, 932)
(Guest)
|
7.6
|
Show! Music Core
Korean TV Show, 2005, 1000 eps
(2018)
(Main Host)
|
8.0
|
Infinite Challenge
Korean TV Show, 2005, 616 eps
(Ep. 544)
(Guest)
|
8.1
|
M Countdown
Korean TV Show, 2004, 950 eps
[Performer] (Ep. 521, 536, 539, 564-565, 573-574, 577-578, 591, 658)
(Guest)
|
8.2
|
Music Bank
Korean TV Show, 1998, 1240 eps
[Performer]
(Guest)
|
7.8
|
Pops in Seoul
Korean TV Show, 1998, 6000 eps
(Guest)
|
7.9
|
Articles
Ong Seong Wu joins Park Eun Bin and Yang Se Jong in a new occult rom-com
News - Apr 22, 2026
Ong Seong Wu will be starring alongside Park Eun Bin and Yang Se Jong in the upcoming occult rom-com 'My Spooky Romance'
Ryu Seung Ryong is confirmed to lead the JTBC K-drama 'The Story of Manager Kim, Who Works for a Lar
News - Apr 1, 2025
Ryu Seung Ryong is officially confirmed to lead the upcoming novel-based K-drama The Story of Manager Kim, Who Works for a Large Company in Seoul.
Esom and Yoo Yeon Seok will possibly work together in a new SBS K-drama
News - Dec 12, 2024
Esom will reportedly join Yoo Yeon Seok in the upcoming SBS K-drama God and Law Firm.
Yeom Jung Ah will reportedly lead a new K-drama by Love Next Door director
News - Dec 2, 2024
Yeom Jung Ah will possibly star in a new human comedy K-drama.
A New Wave of Talent: Discovering the Rising Stars of South Korea
Editorials - Nov 23, 2024
Our article series continues with a spotlight on rising Korean actors!
Actress Kim Jung Eun to make a special cameo appearance in "No Gain, No Love"
News - Aug 29, 2024
Actress Kim Jung Eun is returning to the small screen!
