Moon Sung-Hyun: Biography and Career of the South Korean Actor
Moon Sung-Hyun (Hangul: 문성현) is a South Korean actor born on June 2, 2006. He has built a recognizable career portraying the younger counterparts of main characters in various high-profile television series and dramas, as well as taking on supporting roles in streaming and broadcast productions.

Career and Television Roles
Moon began appearing in television series starting in the early 2020s. Over the course of his career, he has appeared in numerous notable drama series across major South Korean networks and streaming platforms. His credits include roles playing the younger version of main characters in acclaimed series such as Vincenzo (tvN, 2021), Hometown Cha-Cha-Cha (tvN, 2021), Alchemy of Souls (tvN, 2022), Reborn Rich (JTBC, 2022), My Dearest Part 2 (MBC, 2023), Queen of Tears (tvN, 2024), and Beauty and Mr. Romantic (KBS2, 2024).
In addition to younger counterpart roles, Moon has taken on distinct supporting characters, including Prince Simso in the historical drama Under the Queen's Umbrella (tvN, 2022) and Na Yi-Soo in The Chairman is Level 9 (Wavve, 2024). His film appearances include playing a young Dr. Cheon in the fantasy film Dr. Cheon and The Lost Talisman (2023).
Awards and Recognition
On December 31, 2024, Moon received the Best Youth Actor award at the KBS Drama Awards for his performance in the television series Beauty and Mr. Romantic.