The Scapegoat (2012)

As England is preparing for the coronation of Elizabeth II, schoolmaster John Standing (Matthew Rhys) comes face to face with Johnny Spence (Matthew Rhys), his exact double in appearance. After a night of drinking, Standing awakes to find Spence has stolen his identity. Unsuccessful at explaining the unusual situation, Standing settles into the vacancy left by Johnny Spence. Yet with his new life comes numerous problems, including trying to juggle a wife and two mistresses and family secrets that could prove to be deadly.