Devious vampire Damon Salvatore has softened in recent episodes, striking up an uneasy friendship with Elena (Nina Dobrev).
2 of 7 Columbia-TriStar Television/Everett Collection
Young Americans (2000)
Somerhalder played Hamilton Fleming, the son of a boarding school dean in the short-lived Dawson's Creek spin-off, which co-starred Kate Bosworth and Katherine Moennig.
3 of 7 New Line Cinema/Courtesy Everett Collection
Life As a House (2001)
Somerhalder appeared as Josh, a young man who was having an affair with his girlfriend's mother (Mary Steenburgen).
4 of 7 Lionsgate/Everett Collection
The Rules of Attraction (2002)
As Paul Denton, Somerhalder sparred with ex Lauren Hynde (Shannyn Sossamon) and pined for Sean Bateman (James Van Der Beek) in Roger Avary's adaptation of the Bret Easton Ellis novel.
5 of 7 Michael Courtney/The WB/Everett Collection
Smallville (2004)
Somerhalder appeared in six episodes as Adam Knight, a resurrected teen used by Lionel Luther to spy on Clark and Lana.
6 of 7 Mario Perez/ABC Archive/Getty Images
Lost (2004-present)
As Boone Carlyle, Somerhalder was the first shocking casualty in the death-prone drama. He later recurred in various flashback and alternate-reality sequences.
7 of 7 HBO
Tell Me You Love Me (2007)
Somerhalder appeared nude in HBO's experimental drama about intimacy as Nick, a "rebound boyfriend" to Jaime (Michelle Borth).