While on a summer trip with her friends, Megan begins to feel the presence of Sophie, her twin sister who recently committed suicide.
Elisabeth Harnois
Megan / Sophie
Shawn Ashmore
Christian
Amanda Seyfried
Zoe
Hilarie Burton Morgan
Alicia
Tyler Hoechlin
Nick
Matt O'Leary
Mark
Lisa Arnold
Mrs. Thomas
R. Lee Ermey
Leonard
Lyle Brocato
Partier
David Dahlgren
Mr. Thomas
Jenna Hildebrand
Malin (as Jenna Lynn Hildebrand)
Mark Krasnoff
Cop
