The Vampire Diaries (The CW) | Nina Dobrev, Paul Wesley, Ian Somerhalder and other stars join executive producers Kevin Williamson and Julie Plec. (Ballroom 20)The Following (Fox) | Series stars Kevin Bacon and James Purefoy join executive producers Kevin Williamson and Marcos Siega. (Room 6BCF)Person of Interest (CBS) | The stars and creators of this hit drama discuss Season 1 and give a sneak pr