Zeljko Ivanek
I have to say, I like him as Russell Jackson on this show.
I know he tends to usually be cast as a flat-out villain, so it's nice to see him as more of a "gray" character this time. Not blindly evil, but he still has his cunning that makes him not a flat-out goody-good either.
Dear IMDB: I refuse to use your new emoticons.