Elisabeth Harnois as Megan / Sophie

Shawn Ashmore as Christian

Amanda Seyfried as Zoe

Hilarie Burton as Alicia

Tyler Hoechlin as Nick

Matt O'Leary as Mark

Lisa Arnold as Mrs. Thomas

R. Lee Ermey as Leonard

Lyle Brocato as Partier

David Dahlgren as Mr. Thomas

Jenna Hildebrand as Malin (as Jenna Lynn Hildebrand)

Mark Krasnoff as Cop