Ian Somerhalder, who played Boone on ABC's hit "Lost," has joined the cast of the CW's drama pilot "Vampire Diaries."
Somerhalder is set to play Damon, a smug vampire who can go from playful to evil in a split second.
Thesp's credits also include "Tell Me You Love Me."
"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.
Warner Bros. TV is behind the project, along with Alloy and Outerbanks Ent.