Who is On Joo-wan, what is he known for, and what has he appeared in lately?
Actor On Joo-wan's debut, key screen works such as Punch, Beautiful Gong Shim, The Penthouse 3 and Moon in the Day, musical roles such as Newsies and Hourglass, agency details and official places to watch — drawn from 13 press sources.
On Joo-wan is a South Korean actor who debuted in the 2004 film Ballet Studio (Balle Gyoseupso) and has worked across TV, film and the musical stage [3][13]. His roles include prosecutor Lee Ho-sung in SBS's Punch (2015), chaebol heir Seok Jun-soo in SBS's Beautiful Gong Shim (2016) and Baek Jun-gi in SBS's The Penthouse 3 (2021) [1][4][6].
In the reports checked for this page, his most recent drama is ENA's Moon in the Day, which premiered on November 1, 2023, and his most recent musical is Hourglass in 2022 [8][10][13]. No report found announces a new role for him in 2024–2026. Each question is answered below, with a source number on every claim.
| Title | Year / broadcaster or format | Role and notes |
|---|---|---|
| Ballet Studio | 2004 / film | Reported as his debut work.3 |
| Punch | 2015 / SBS series | Prosecutor Lee Ho-sung of the Supreme Prosecutors' Office anti-corruption division, an old friend who fell out with Kim Rae-won's Park Jung-hwan after testifying in a military-service bribery case seven years earlier.1,2 |
| Newsies | 2016 / musical | His first musical: Jack Kelly in the Asian premiere of the Disney musical, which opened at Chungmu Art Hall in Seoul on April 15.3 |
| Beautiful Gong Shim | 2016 / SBS weekend series | Written by Lee Hee-myung and directed by Baek Soo-chan. He played chaebol heir Seok Jun-soo, who befriends Namgoong Min's Ahn Dan-tae.4,5 |
| The Penthouse 3 | 2021 / SBS series | Baek Jun-gi, a man who knows the past of Joo Dan-tae, played by Uhm Ki-joon.6,7 |
| Hourglass | 2022 / musical | A stage version of the 1995 SBS drama. He shared the role of Tae-su with Min Woo-hyuk and Jo Hyung-kyun; it ran at the Daesung D-Cube Arts Center through August 14.8,9 |
| Moon in the Day | Nov–Dec 2023 / ENA series | Based on the webtoon of the same name. He played Han Min-o, CEO of Beginning Entertainment and older brother of Han Jun-o, played by Kim Young-dae.10,11 |
Who is On Joo-wan? Debut and career
On Joo-wan is a South Korean actor who debuted in the 2004 film Ballet Studio and has worked in TV dramas, film and musicals [3][13]. In 2016, Xports News listed his credits as including tvN's Surplus Princess (Ingyeo Gongju), SBS's Punch and The Village: Achiara's Secret, and the films Obsessed, The Cut (Haebuhak Gyosil), Remember You and Time Renegades [3]. Ahead of his first musical, Newsies, that year he said, "It has been 12 or 13 years since my debut, and this is my first musical. I'm nervous and excited" [3].
3,13How old is he?
According to the performer profile of the stage magazine The Musical, On Joo-wan was born on December 11, 1983, which makes him 42 as of October 2026 [13]. The news articles checked for this page do not state his birth date directly, but in 2023 Xports News noted a 13-year age gap between him and Kim Young-dae, whose older brother he plays in Moon in the Day [11], and TenAsia described Kim as born in 1996 [12], which is consistent with it.
11,12,13What is he known for?
- Punch (SBS, 2015). He played Lee Ho-sung, a prosecutor in the Supreme Prosecutors' Office anti-corruption division [1]. Lee is an old friend estranged from Kim Rae-won's Park Jung-hwan because of his testimony in a military-service bribery probe seven years earlier, and the character grows in importance in the second half [1][2]. In an interview he described Kim Rae-won's acting as "concise, with nothing superfluous" [2].1,2
- Beautiful Gong Shim (SBS, 2016). The weekend drama, written by Lee Hee-myung and directed by Baek Soo-chan, began on May 14, 2016, with him as chaebol heir Seok Jun-soo [4]. In the story, Seok becomes close friends with Namgoong Min's Ahn Dan-tae and later begins to suspect his true identity [5].4,5
- The Penthouse 3 (SBS, 2021). He joined as Baek Jun-gi, a man who knows the past of Joo Dan-tae, played by Uhm Ki-joon [6]. iMBC reported that the two actors suggested various ad-libs on set to heighten the tension of their scenes [7].6,7
- Moon in the Day (ENA, 2023). The Wednesday-Thursday drama, based on the webtoon of the same name, premiered at 9 p.m. on November 1, 2023, directed by Pyo Min-soo and written by Kim Hye-won [10]. He played Han Min-o, CEO of Beginning Entertainment and older brother of Han Jun-o, played by Kim Young-dae [10][11]. At the press event he said he chose to build the character from the script rather than follow the webtoon [11]. The series ended on December 14, 2023 [12].10,11,12
Does he perform in musicals?
On Joo-wan made his musical debut in 2016 as Jack Kelly in the Asian premiere of Disney's Newsies [3]. After previews on April 12–14, it opened at Chungmu Art Hall in Seoul on April 15 [3]. The Musical's performer profile lists his later stage roles as Yun Dong-ju in Yun Dong-ju, Shooting the Moon (2017), Mu-young in Those Days (2019, 2020), Choi Dae-chi in Eyes of Dawn (2020) and Tae-su in Hourglass (2022) [13]. In the 2022 Hourglass he shared the role of Tae-su with Min Woo-hyuk and Jo Hyung-kyun, in a run at the Daesung D-Cube Arts Center through August 14 [8][9]. Tae-su was played by Choi Min-soo in the 1995 SBS drama [9].
3,8,9,13What agency is he with?
None of the 2024–2026 reports checked for this page name On Joo-wan's current agency. The performer profile of the stage magazine The Musical lists his agency as Will Entertainment, but the page does not say as of when [13]. His current representation should be confirmed through official announcements when a new project is revealed.
13What has he done most recently? As of October 2026
Based on the reports checked for this page, his most recent drama is ENA's Moon in the Day, which premiered on November 1, 2023, and ended on December 14, 2023 [10][12]. His most recent musical is Hourglass, staged from May to August 2022 [8][13]. No report found announces a new drama, film or musical role for him from 2024 through October 2026.
8,10,12,13Where can I watch his work?
Punch, Beautiful Gong Shim and The Penthouse 3 are SBS dramas, and Moon in the Day is an ENA drama [1][4][6][10]. Availability and subtitle languages differ by country, so check the official streaming services and broadcasters where you live. This page does not point to unauthorized copies.
1,4,6,10How to read this page
Air dates and run dates are as of each article's date, while his musical credits, birth date and agency follow The Musical's performer profile. "No new role announced" records only what was found up to the date this page was written (October 17, 2026); the page will be updated when a new project is officially announced. His full filmography is in the Hallyu Wiki article on On Joo-wan.
Related articles
Sources
- press 텐아시아, '펀치' 김래원·온주완, '옛친구'에서 '친구'로 돌아갈 수 있을까?, 2015-01-25
- press OSEN, '펀치' 온주완 "김래원 연기는 간결, 조재현은 신기", 2015-02-24
- press 엑스포츠뉴스, '뉴시즈' 온주완, 데뷔 첫 뮤지컬…관객 사로잡을까(종합), 2016-02-25
- press 텐아시아, '미녀공심이' 온주완, 이런 재벌 3세 어디 없나요, 2016-05-16
- press 아주경제, ‘미녀 공심이’ 온주완, 남궁민 정체 의심 시작…깨 쏟아지던 브로맨스의 향방은?, 2016-06-26
- press iMBC연예, '펜트하우스3' 엄기준, 온주완 도발에 분노! 끔찍한 과거 밝혀지나?, 2021-06-18
- press iMBC연예, '펜하3' 엄기준 VS 온주완, 아슬아슬 대치 현장 포착, 2021-08-13
- press 스포츠경향, 뮤지컬 ‘모래시계’, 원작의 감동과 향수를 무대에서 다시 만난다, 2022-05-30
- press 노컷뉴스, [현장EN:]뮤지컬 '모래시계', 드라마와 다른 점이요?, 2022-05-31
- press 더팩트, 김영대X표예진 '낮에 뜨는 달', 인기 원작 "숙제이자 도전"(종합), 2023-11-01
- press 엑스포츠뉴스, 표예진X김영대 '낮에 뜨는 달', ENA 수목극 흥행 이어갈까 [종합], 2023-11-01
- press 텐아시아, '낮뜨달' 김영대 "가장 많이 배운 작품…내년 하반기에 군대 가려고요" [TEN인터뷰], 2023-12-19
- press 더뮤지컬, 온주완 — 인물 정보, 2026-10-17
Cite this page
“Who is On Joo-wan, what is he known for, and what has he appeared in lately?.” Hallyu Wiki. https://hallyu.wiki/en/guides/on-joo-wan-faq/ (Retrieved 2026-10-17).
How this article was made: read official statements, court/regulator records and at least two independent outlets; community posts are used only as attention signals. Written by Hallyu Wiki editors with AI assistance — check the sources. Request a correction