this show has become my favorite. the "action" actor is james caviezel, who has been around for a fair amount of time. he played Christ in gibson's "passion of the Christ", as well. there's a sci fi movie caller "outlander" that he's in, as well--it takes place in some distant more primitive culture (like viking/norse), and of course he is the man from outer space who can't let on...
love the character of harold finch, too. he was referred to by another "bird name" in a flashback scene a while ago, so even he is not who he appears to be. should be interesting to see where they take this.
i love the whole setting of person of interest. it's "out there", but not so removed from our times that it's not plausible. makes a body think...