Some K-drama actors have mastered certain roles so perfectly that it’s hard to imagine anyone else playing them. There are times when an actor ends up portraying a similar type of character more than once. Over time, these performances become a defining part of their filmography, with fans instantly associating them with that particular persona. We spotlight five actors who have consistently excelled at playing a similar role multiple times.

Lee Do Hyun is back from military service! The talented actor enlisted in 2023, shortly after wrapping up his role in The Good Bad Mother on August 14. After completing his mandatory service, he returned on May 13, 2025. While he hasn't yet announced his next project, fans eagerly await his return and are curious to see what role he will take on next. As we wait with bated breath, here are 6 must-watch Lee Do Hyun dramas to enjoy before his next release.