South Korean actor Ma Dong-seok, also known as Don Lee, made his Hollywood debut in the MCU's Eternals as Gilgamesh. But he has plenty of other great performances, too. Don Lee began his career in America by working as a personal trainer, notably training mixed martial artists, before transitioning into acting. Known for his roles that often blend brute strength with a soft heart, Lee has redefined the archetype of action heroes in Korean cinema. His imposing physique, coupled with his charismatic screen presence, has garnered him a reputation as one of the most compelling action stars.