Moon Seong-hyun

Moon Seong-hyun is a young South Korean actor who has become the face producers call when a hit drama needs a teen version of its hero. Born on 2 June 2006, he is known for Alchemy of Souls, Queen of Tears and Our Sticky Love. His soft look and calm acting make every short appearance easy to remember.

Early life

Moon Seong-hyun was born in South Korea in 2006 and signed with FNC Entertainment as a child actor. He started with small parts and music video work, then slowly moved into television dramas. Even in tiny roles, directors noticed his clear eyes and natural way of speaking.

Career and breakthrough

His career changed in 2021 and 2022, when he played the young versions of famous heroes. He was the teen Jang Han-seok in Vincenzo and the teen Seo Yul in Alchemy of Souls (2022). In Alchemy of Souls, his sweet first-love story as the young Seo Yul touched many hearts and made his name known to drama fans.

Popular roles

He played Prince Simso in Under the Queen's Umbrella (2022) and the teen Baek Hyun-woo in the record-breaking hit Queen of Tears (2024). Each time, he matched the adult actor's style so well that viewers praised the perfect casting. Playing the younger self of top stars has become his special skill.

Recent work

In Our Sticky Love (2026), he steps into a bigger role as Kim Pil-seung, showing he is ready for adult parts. As he grows up, Moon Seong-hyun is moving from teen version roles to full characters of his own. Many fans expect him to become one of the next leading men of Korean drama.