'American Horror Story': Who's Who in Season 2
You Know Him From: His Season 1 role as Chad (inset), one half of a gay couple who were murdered in the Harmons' house and are now stuck there as ghosts for eternity. He also played Sylar on "Heroes" and Spock in the big-screen "Star Trek" reboot.
Now He Plays: Dr. Oliver Thredson, a psychiatrist at Briarcliff whose progressive ideas about how patients should be treated conflict with Sister Jude's. (Good luck winning that battle, buddy.)