they are both very professional, and both are good at what they do. If they weren't he wouldn't be as hugely popular as he is, and she wouldn't be called "the female Lee Min-ho". They did a wonderful job, so good that they even fooled the fans into thinking there might be a spark of attraction there off-screen. Well done, good acting on both parts. I don't agree with many who say she doesn't act as well as he does, oh, yes, she did, she played us all into thinking that she was a weakly girl who felt she needed to hide all her feelings b/c she didn't want to get hurt nor hurt anybody else. She IS good. So good we thought she was genuinely surprised by the passionate kiss, when in fact, she was actually playing her role to perfection. She just landed a major role in a period movie, and she's only 23. Love PSH! Love LMH!