Kang Hyung-seok began acting on stage in 2016 with the play Crazy Romance. He then made his TV debut in 2019 with a minor role in the hit tvN series Crash Landing on You. In 2020, he became part of the KBS2 drama Do Do Sol Sol La La Sol. In 2021, he appeared in tvN’s Hometown Cha-Cha-Cha and JTBC’s Human Disqualification. In 2022, he was cast in a supporting role in the tvN romance series Love in Contract.

Aside from his native Korean, Kang Hyung-seok can also speak Chinese. His hobbies include walking, mountaineering, and camping.