I just rewatched LOST
And I cannot believe how far Nikolaj's acting skills improved since playing Sawyer. All I can say is: W O W. And his ability to learn different accents is quite impressive (albeit his accent as Sawyer was a little over-the-top-southern-debutant'ish, kinda like that annoying woman from Boondock Saints 2).
Hope this guy gets more work after Tyrion offs him for banging Shae in GoT.