@Hanktank I don't have any K actors who fit that bill for me, but then I have watched only 50 or so Korean films.
I *DO* have several TW & J actors that fit. in both industries the smaller scale & smaller budgets often mean exactly that sort of enhanced focus on the person of the actor. #SomeDayOrOneDay remains my gold standard for this. An entire Drama specifically created & writtten for its FEMALE lead actor, yet who was the 1st person cast in the K remake? The MALE lead.