A teenager finds her perfect life upended when she's stalked by a mysterious doppelganger who has her eyes set on assuming her identity.
Sophie Turner
as Fay Delussey / Lila Delussey
Claire Forlani
as Ann Delussey
Rhys Ifans
as Don Delussey
Eugenio Pérez
as Doctor Carbantes
Gregg Sulkin
as Drew Fraser
Priyanka Patel
as Dawn
Ivana Baquero
as Kaylie
Jonathan Rhys Meyers
as John
Charlotte Vega
as Monica Meldrum
Geraldine Chaplin
as Mrs. Brennan
Neil D'Souza
as Mr. Bhoola
Sara Gregory
as Woman with Baby
