The year he turned 20, he debuted in the play Cheongchun Yechan, according to his agency’s profile. In 2002, he appeared in the film H as the man in the hijacked car.
In 2020, he appeared in KBS2’s Woman of 9.9 Billion, tvN’s Stranger 2 and Birthcare Center, and signed with Keyeast. In 2021, he was cast as the Joseon king Lee Kang in KBS2’s Moonshine.
The breakthrough yearThe year he turned 42, he appeared in Our Blues, and on December 30 he became known as Ha Do-yeong in Netflix’s The Glory Part 1.
In February 2023, he appeared on You Quiz on the Block, and Part 2 was released in March. He also won at the Fundex Awards and the Asia Artist Awards. In 2024, he played Genshin in the Netflix film Uprising.
In 2025, he appeared in Disney+’s Unmasked and the film Murderer Report, and in May he won Best New Actor in Film at the Baeksang Arts Awards.
In 2026, he continued as Cheon Seok-jung in Disney+’s Made in Korea Season 2.
Jung Sung-il (born 1980) debuted in the film H in 2002, the year he turned 22, and became known as Ha Do-yeong in Netflix’s The Glory in 2022, the year he turned 42. In 2025, the year he turned 45, he won Best New Actor in Film at the Baeksang Arts Awards.
Ages are by calendar year (the year minus the birth year), birthdays aside.
According to his agency’s profile, he debuted in this play and went on to appear in plays and musicals.
Source 01 · Joynews24 (Korean) · Keyeast contract · opens in a new tabSource 04 · Sports Kyunghyang (Korean) · Years as an unknown actor · opens in a new tab Articles differ on when his stage debut was. One article says 2000; he himself said he debuted at 21, which is 2000 in Korean age counting.Appeared in a film for the first time, as the man in the hijacked car.
Source 02 · Topstar News (Korean) · Recent activity and career · opens in a new tabSource 03 · Xportsnews (Korean) · Recent activity · opens in a new tab The release date was not confirmed in the articles, so only the year is given.In that day’s episode, the character Baek Seung-jae died on screen.
Source 05 · Star News (Korean) · Woman of 9.9 Billion · opens in a new tabPlayed Executive Park, right-hand man to Lee Yeon-jae (Yoon Se-ah), the new owner of Hanjo, and made an impression in episode 4 that day.
Source 06 · Newsworks (Korean) · Stranger 2, Executive Park · opens in a new tabAppeared as the husband of the character played by Park Ha-sun.
Source 07 · Asia Today (Korean) · Birthcare Center · opens in a new tabHe signed after appearing in three dramas and three stage productions that year.
Source 01 · Joynews24 (Korean) · Keyeast contract · opens in a new tabHis agency Keyeast announced that he was cast as the Joseon king Lee Kang.
Source 20 · Ilgan Sports (Korean) · Joining Moonshine · opens in a new tabAppeared in the prologue of episode 4 as Tae-hoon, the husband of Seon-a, played by Shin Min-a.
Source 08 · TenAsia (Korean) · Our Blues episode 4 · opens in a new tabPlayed Ha Do-yeong, the husband of Park Yeon-jin (Lim Ji-yeon). MyDaily writes that his recognition rose sharply with this role.
For The Glory, he received the Excellence Award for Supporting Actor in an OTT Drama at the 2023 Fundex Awards, and the same year won the Scene Stealer award at the Asia Artist Awards.
Source 02 · Topstar News (Korean) · Recent activity and career · opens in a new tab The ceremony dates were not in the article, so only the year is given.Talked about filming The Glory and about Part 2, due in March.
Source 09 · Sports Hankook (Korean) · You Quiz on the Block · opens in a new tabAll of Part 2 was released.
Source 13 · Newsculture (Korean) · The Glory Part 2 · opens in a new tabThe film opened the Busan International Film Festival before arriving on Netflix. He played Genshin, a vanguard commander of the Japanese army.
Source 14 · Sisaweek (Korean) · Uprising interview · opens in a new tabPlayed Han-do, a producer who moved from drama to current-affairs programs.
Source 15 · JTBC News (Korean) · Unmasked · opens in a new tabSource 11 · MyDaily (Korean) · Unmasked interview · opens in a new tabWon it for Uprising.
Source 16 · Ilgan Sports (Korean) · 61st Baeksang Arts Awards · opens in a new tabPlayed the psychiatrist Young-hoon, co-starring with Cho Yeo-jeong.
Source 17 · YTN (Korean) · Murderer Report · opens in a new tabPlayed Cheon Seok-jung, a figure of power admired by Baek Gi-tae, played by Hyun Bin.
Source 18 · MTN (Korean) · Made in Korea · opens in a new tabSource 19 · Wikitree (Korean) · Made in Korea Season 2 interview · opens in a new tab The article gives the month only, so only the year and month are shown.Continued as Cheon Seok-jung, now the chief of staff at the presidential office. Season 2 ended on the 23rd with six episodes.
Source 19 · Wikitree (Korean) · Made in Korea Season 2 interview · opens in a new tabEND OF SELECTED RECORDSSelected records, 2000–2026 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
What did they do, and at what age?
AgeTrail lines up the key moments of a life by age.
Debut and breakthrough are marked separately, and every record has a source.
Film & TV · South Korea
1980 —
Ages are counted from the birth year 1980: the year of the event minus 1980, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.10.06 · An independent archive, not affiliated with the person or their agency.