Choi Moo-seong, born on January 12, 1968, is a South Korean actor known for his versatility and his solid career as a character actor. He began his career in theater, honing his acting skills before debuting on the big and small screens. His international popularity grew significantly thanks to his role as Choi Taek's taciturn and affectionate father in the acclaimed television drama *Reply 1988* (2015-2016). His filmography includes appearances in critically acclaimed works such as the thriller *I Saw the Devil* (2010) and the historical drama *Mr. Sunshine* (2018). Also noteworthy are his performances in *Prison Playbook* (2017-2018) and *The Nokdu Flower* (2019), for which he won the Best Supporting Actor award at the SBS Drama Awards. His ability to embody complex and believable characters has made him a respected and highly sought-after figure in the Korean entertainment industry.