When they’re not serenading us with their soulful voices, idols mesmerize us with their overflowing talent the moment they show up on the small screen. Whether it’s romance, action, or thriller, they channel their best acting skills and blow our minds in the process. One of the most compelling genres where they successfully leave us in awe every single time has got to be sageuk or historical dramas. These idol actors and actresses immerse themselves in symbolic historical eras and give a charismatic and piercing portrayal of their characters, all while effortlessly rocking their hanboks.