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