Lost's Ian Somerhalder playing bad bloodsucker in Vampire Diaries

Ian Somerhalder, who played Boone on ABC's hit Lost , has joined the cast of The CW's drama pilot Vampire Diaries , Variety reported. Somerhalder is set to play Damon, a smug vampire who can go from playful to evil in a split second. Also joining the cast are Zach Roerig ( Friday Night Lights ), who will play the jock Matt, and Kayla Ewell ( Entourage ), who will play Matt's sister. Previously announced cast includes Nina Dobrev and Steven R. McQueen. Vampire Diaries , based on a series of books from Alloy Entertainment, centers on a woman who falls for two vampire brothers, one good and one evil. (link)