Choi was born as the son of Choi Moo-ryong, a popular actor of the 1960s and 1970s, and Kang Hyo-shil, an actress.
Choi lahir sebagai anak Choi Moo-ryong, aktor yang populer tahun 1960-an dan 1970-an, dan Kang Hyo-Shil, aktris.