Hayden Christensen was fabulous as the ingratiating/creepy Glass. As a CNN.com reviewer pointed out, this movie proves he can act.
Christensen's Glass is the ultimate likeable co-worker, who remembers everyone's birthday, knows how everyone takes their coffee and is so self-deprecatingly sweet that when things start unraveling you feel sorry for him. Despite his audacious lies and deceits, you like him and wonder why everyone is being so mean. Christensen walks the fine line between good and evil so well, you watch in amazement. You feel sorry for him, you're repulsed by him, you're embarrassed for him...
At times I turned to my friend and said "Man! Is this hard to watch." And it was.
Peter Sarsgaard, who plays Glass' editor, Chuck Lane, is wonderfully understated as the misunderstood editor. (For those at home who care, he's also really cute in that nerdy handsome way.)
The movie incisively exposes the world of journalism -- with it's big egos, pedantic copy editors, and ultra-competitive writers. I could see many of my co-workers (current and former) in the archetypes portrayed on screen (the braggart, the attention getter, the know-it-all, the guy who will split the most microscopic of hairs just for the heck of it).
It also brings home the incredible responsibility on the shoulders of journalists. It's easy to forget this responsibility in pursuit of personal glory or attention, but it's the reader who gets hurt. Everyone in the business of journalism should see this movie. But with its twists and turns and shocking (yet true!) events, it's a movie for anyone who enjoys a good thriller.