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
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
Martin Musatov
Screenplay
Carsten Myllerup
Original Film Writer
Ethan Erwin
Rasmus Heisterberg
Daniel Myrick
Director
Rene Defrancesch
Boom Operator
John T. Martin
Key Grip
Yolanda Mercadel
Hair Department Head
Marthe Pineau
Set Decoration
Darby Newman
Second Assistant Camera
Kris Smith
Script Supervisor
Jeff Galpin
Stunt Coordinator
Betty Hamnac
Key Hair Stylist
Marcos O. Lopez
First Assistant Camera
Rhys Summerhayes
Second Assistant Director
Karen Toole-Rentrop
Makeup Department Head
Joe Walsh Jr.
On Set Dresser
Teresa Vest
Key Makeup Artist
Karin Justman
Stunts
James D. Stern
Producer
Chris J. Fanguy
Utility Stunts
Todd Beckett
Sound Effects Editor
Mary Vernieu
Casting
Trace Cheramie
Russell Towery
Mason Novick
Co-Executive Producer
Paula Fairfield
Supervising Sound Editor
Douglas Hansen
Executive Producer
Keith Morgan
Gaffer
Louis Paul Tocchet
First Assistant Director
Adam Del Deo
Holly O'Quin
Stunt Double
Special Effects Makeup Artist
Bruton Jones
Production Design
Monika Mikkelsen
David J. Barker
Special Effects
Carla Murray
Cedric Nicolas-Troyan
Visual Effects Supervisor
M. David Mullen
Director of Photography
Jane Antonia Cornish
Original Music Composer
