
Personal Info
Known For
Acting
Born
June 2, 2006 (age 19)
Place of Birth
South Korea
Also Known As
문성현
Moon Sung-hyun
Moon Seong-hyun
Biography
Moon Seong-hyun is a South Korean actor born on June 2, 2006. He is known for playing the younger versions of male leads in several popular K-dramas, beginning his career in 2021. He is managed by FNC Entertainment.
He first appeared in the 2021 dramas Vincenzo and Hometown Cha-Cha-Cha. He gained significant recognition for his role as the young Seo Yul in the fantasy drama Alchemy of Souls and as Prince Simso in the historical series Under the Queen's Umbrella. His emotional performance in the latter received high praise.
In 2024, Moon took on his first starring role in the web drama The Chairman of Class 9.he was nominated for "Best Young Actor" at the 60th Baeksang Arts Awards and won "Best Young Actor" at KBS Drama Awards with Beauty and Mr. Romantic.
Known For

TV
Alchemy of Souls
Seo Yul (teen)
2022

TV
Vincenzo
Jang Han Seok [Teen]
2021

TV
Queen of Tears
Baek Hyun-woo (teen)
2024

TV
Hometown Cha-Cha-Cha
Hong Doo-shik (teenager)
2021

TV
Reborn Rich
Jin Seong-jun (young)
2022

TV
Shooting Stars
Gong Tae-seong (teen)
2022

TV
Under the Queen's Umbrella
Prince Shimso
2022

TV
Trigger
Teenage Moon Baek
2025

TV
Beauty and Mr. Romantic
Ko Pil-seung (teen)
2024

TV
The One and Only
Min Woo-Cheon (teen)
2021

TV
The King of Pigs
Kang-min (teen)
2022

TV
Hello, Me!
Chae Seong-U / Chae Chi-Su
2021

Film
Dr. Cheon and the Lost Talisman
Young Dr. Cheon
2023

TV
Stock Struck
Lim Ye Joon (teen)
2022

TV
The Chairman is Level 9
Na Yi-soo
2024

Film
Fragment
2024
Filmography
2025TVTriggeras Teenage Moon Baek2024FilmFragment2024TVThe Chairman is Level 9as Na Yi-soo2024TVBeauty and Mr. Romanticas Ko Pil-seung (teen)2024TVQueen of Tearsas Baek Hyun-woo (teen)2023FilmDr. Cheon and the Lost Talismanas Young Dr. Cheon2022TVReborn Richas Jin Seong-jun (young)2022TVUnder the Queen's Umbrellaas Prince Shimso2022TVStock Struckas Lim Ye Joon (teen)2022TVAlchemy of Soulsas Seo Yul (teen)2022TVShooting Starsas Gong Tae-seong (teen)2022TVThe King of Pigsas Kang-min (teen)2021TVThe One and Onlyas Min Woo-Cheon (teen)2021TVHometown Cha-Cha-Chaas Hong Doo-shik (teenager)2021TVVincenzoas Jang Han Seok [Teen]2021TVHello, Me!as Chae Seong-U / Chae Chi-Su