Dong Ha, or Kim Hyung Gyu, as he’s also known, is a South Korean actor. He was born on January 14, 1992 and made his acting debut in 2009. Since then, he has appeared in a number of films and television dramas, including “Three Days” (2014), “A Beautiful Mind” (2016), “Good Manager” (2017), “Suspicious Partner” (2017), and “2020 KBS Drama Special” (2020).