Oh Jung-se

Oh Jung-se (오정세) built his career the hard way and that is exactly why the recent peak feels so durable. Before awards, streaming-era visibility, and prestige lead offers, he spent years in theater and supporting screen work learning how to make eccentricity feel precise instead of decorative. That training still defines him. Few Korean actors can play comedy, menace, fragility, and social absurdity with the same level of control.

The breakout into a wider mainstream happened through unforgettable supporting turns, but it was It Is Okay to Not Be Okay and Uncle that locked in his stature. Back-to-back Baeksang wins put numbers behind what viewers already knew: he had become one of the most technically sharp actors in the market. Since then, projects across Disney+, ENA, and broader premium-drama circles have treated him less like a specialist and more like a bankable center of gravity.

That positioning carries into the current run. Good Boy, Hi-Five, and the upcoming Climax show how comfortably he moves between theatrical scale and streaming tension. Even when the role is strange, dark, or emotionally volatile, he never leans on gimmick. He plays the logic underneath it. That is why Oh Jung-se now reads as both actor's actor and headline talent, which is a rare combination in any market.