Kang Sang-jun

Kang Sang-jun is a South Korean actor who built his skills on the musical stage before moving to television. With his tall build, deep voice and warm smile, he quickly became a face viewers remember. He is best known as detective Park Joon-young in Flex X Cop (2024).

Kang Sang-jun is about 187 cm (6 ft 2 in) tall.

Early life

Kang Sang-jun was born on February 28, 1991, in Seoul, South Korea. He trained as a stage actor and spent years in musical theatre, where singing and live acting taught him strong expression. That stage experience still shows in his clear voice and confident screen presence today.

Career and breakthrough

Kang Sang-jun first became known to musical fans in popular stage productions in Korea. He then moved step by step into television, with roles in dramas such as True to Love (2023) and Doctor Slump (2024). Each small role showed a different side of him and prepared him for bigger parts.

Popular roles

In Flex X Cop (2024), Kang Sang-jun plays Park Joon-young, a serious and loyal detective who works beside a rich heir-turned-cop. Fans loved his steady, kind energy in the team. In Marry My Husband (2024), he plays Yoo Sang-jong. In Beyond the Bar (2025), he plays Han Seong-chan and shows a smarter, sharper side as his career keeps growing.

Recent work and why fans love him

Kang Sang-jun is one of the rising supporting actors that Korean drama fans now watch with interest. Fans love him because he feels trustworthy on screen. Whether he plays a detective, a friend or a rival, Kang Sang-jun brings calm strength and a little humour that makes every scene warmer.