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.
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star8.6
TV Show
Alchemy of Souls
Seo Yul (teen)
2022 • 30 episodes
star8.5
TV Show
Vincenzo
Jang Han Seok [Teen]
2021 • 1 episode
star8.4
TV Show
Queen of Tears
Baek Hyun-woo (teen)
2024 • 1 episode
star8.0
TV Show
Trigger
Teenage Moon Baek
2025 • 10 episodes
star8.2
TV Show
Hometown Cha-Cha-Cha
Hong Doo-shik (teenager)
2021 • 2 episodes
star7.0
TV Show
Beauty and Mr. Romantic
Ko Pil-seung (teen)
2024 • 50 episodes
star8.0
TV Show
Reborn Rich
Jin Seong-jun (young)
2022 • 2 episodes
star8.1
TV Show
Shooting Stars
Gong Tae-seong (teen)
2022 • 1 episode
star8.2
TV Show
Under the Queen's Umbrella
Prince Shimso
2022 • 16 episodes
star7.4
TV Show
Hello, Me!
Chae Seong-U / Chae Chi-Su
2021 • 16 episodes
star8.4
TV Show
The King of Pigs
Kang-min (teen)
2022 • 12 episodes
star6.8
TV Show
The One and Only
Min Woo-Cheon (teen)
2021 • 16 episodes
star6.8
TV Show
Stock Struck
Lim Ye Joon (teen)
2022 • 1 episode
star7.2
TV Show
The Chairman is Level 9
Na Yi-soo
2024 • 12 episodes
star6.2
Movie
Dr. Cheon and the Lost Talisman
Young Dr. Cheon
2023
Movie
Fragment
2024