The life of a successful radiologist spirals out of control when she sees the spitting image of herself driving down a London street. While attempting to uncover who the imposter could be, she stumbles into a terrifying mystery that her family and closest friends are somehow involved in, leaving her with no one to trust.
Lena Headey
as Gina McVey
Ulrich Thomsen
as Dr Robert Zachman
Melvil Poupaud
as Stefan Chambers
Michelle Duncan
as Kate Coleman
Asier Newman
as Daniel McVey
Richard Jenkins
as John McVey
Daren Elliott Holmes
as Simon the Garage Manager
Howard Ward
as Jim
Damian O'Hare
as Anthony
In-sook Chappell
as Crash Nurse
Peta Longstaff
as A&E Team
Ziad Alyan
as A&E Team
