Isabelle Fuhrman
Leena Klammer / Esther Albright
Matthew Finlan
Gunnar Albright
Julia Stiles
Tricia Albright
Rossif Sutherland
Allen Albright
Hiro Kanagawa
Detective Donnan
Samantha Walkes
Dr. Segar
David Lawrence Brown
Dr. Novotny
Alec Carlos
Mike
Lauren Cochrane
Officer Leahy
Gwendolyn Collins
Anna Troyev
Kristen Sawatzky
Federica
Jeff Strome
Lobby Guard
Andrea del Campo
Betsy
Alicia Johnston
Karen
Liam Stewart-Kanigan
Dude 1
Jade Michael
Girl 1 / Madison
Sarah Luby
Receptionist / Claire
Maxwell Nelson
Little Boy
Bradley Sawatzky
Officer Kusnetsov
Stephanie Sy
Flight Attendant
Marina Stephenson Kerr
Society 1 / Olive
Sharon Bajer
Society 2 / Gertrude
Kennedy Irwin
Esther Body Double
Sadie Lee
Esther Body Double
Erik Athavale
Orderly
Parker Bohotchuk
Laughing Partier #1
Maxine Sanders
Laughing Partier #2
Adam Hurtig
Guard (uncredited)
Morgan Easton-Fitzgerald
Young Esther (uncredited)