
ArtistManagement Seesun
Kim Jung-hyun
Kim Jung-hyun (김정현, born April 5, 1990) is a South Korean actor whose range across comedy, melodrama, and thriller made him one of the most in-demand leads of the 2020s. Born in Busan, he studied acting at the Korea National University of Arts before his screen debut in Overman (2015).
He rose quickly with School 2017 and the romantic comedy Welcome to Waikiki (2018), then achieved international recognition playing the charismatic North Korean soldier Gu Seung-jun in Crash Landing on You (2019-2020). The JTBC series became one of the highest-rated Korean dramas in cable history. His turn as King Cheoljong in Mr. Queen (2020-2021) earned further acclaim, with Kim portraying two contrasting personalities within a single role.
In 2024, Kim headlined the KBS2 family comedy-mystery Iron Family, playing Seo Kang-joo alongside Keum Sae-rok. The show ran from September 2024 to January 2025 and earned multiple wins at the 2024 KBS Drama Awards. He followed with the Studio Dragon romance thriller Siren's Kiss on Amazon Prime Video (2026), starring opposite Park Min-young and Wi Ha-joon as Baek Jun-beom, a conglomerate heir concealing his own secrets.
Kim parted ways with Story J Company in March 2025 following the expiry of his contract. His career across film, cable drama, and streaming has established him as a consistent lead capable of switching between tones.
1 articles9 creditsDebut: January 1, 2015South Korean
Gallery

Filmography
2015
OvermanFilm
Lead
Other Credits
2026
Siren's KissDrama
Baek Jun-beom
2024
Iron FamilyDrama
Seo Kang-joo
2020
Mr. QueenDrama
King Cheoljong
2019
Crash Landing on YouDrama
Gu Seung-jun
2018
Welcome to WaikikiDrama
Lead
2018
TimeDrama
Lead
2017
School 2017Drama
Lead
2017
The RebelDrama
Lead
Fans Also Ask
What is Kim Jung-hyun best known for?
Kim Jung-hyun is best known for playing the charming North Korean soldier Gu Seung-jun in Crash Landing on You (2019-2020), one of the highest-rated Korean dramas in cable history. The JTBC romance opposite Son Ye-jin and Hyun Bin earned him a dedicated international following and secured his status as one of the most in-demand actors of the 2020s.
What is Kim Jung-hyun's role in Siren's Kiss?
In tvN's romantic thriller Siren's Kiss (2026), Kim Jung-hyun plays Baek Joon-beom, a mysterious and powerful tycoon whose entrance transforms the drama's atmosphere. The series premiered March 2, 2026, co-starring Park Min-young and Wi Ha-joon, and ran through April 7, 2026 on tvN and TVING.
Where did Kim Jung-hyun study acting?
Kim Jung-hyun graduated from the Korea National University of Arts, one of South Korea's most prestigious performance arts institutions. The training gave him a classical stage foundation before he made his screen debut in the web drama Overman (2015), followed by his breakthrough on KBS's School 2017.
What was Kim Jung-hyun's breakout role before Crash Landing on You?
Kim Jung-hyun gained early notice with School 2017, the KBS coming-of-age drama, then built a romantic comedy following with Welcome to Waikiki (2018). He steadily developed a reputation for versatility in leads before Crash Landing on You became his international breakthrough and a landmark of the Korean Wave.
What agency represents Kim Jung-hyun?
Kim Jung-hyun is managed by Management Seesun, the Seoul-based actor agency. His critically noted credits include Mr. Queen (2020), the gender-swap historical romantic comedy that became a hit on tvN, and Iron Family (2024). He was born on April 5, 1990 in Busan, South Korea.
