One of the challenges of the film was the shooting of the car crash scene, especially when they weren't allowed to damage the motel or car. They actually shot it with the car static and the actors faking the crash movement. The VFX team then added damage to the motel and back of car.
Lindsay Duncan and Sophia Myles both starred in the Sky UK Series: A Discovery of Witches - Lindsay as Ysabeau de Clermont, Matthew's mother, and Sophia as Sarah Procter, Diana's mother.
Lindsay Duncan and Sophia Myles both appeared in Mansfield Park (1999). Lindsay Duncan played the dual roles of Lady Bertram and Mrs. Price. Sophia Myles played Duncan's roles' niece and daughter, Susan Price.
Production designer Theo Boswell had the challenge of making the numerous UK locations look American, including building the motel room's wood paneling specifically for those scenes.
The opening US set snow shots were actually shot near Moscow, Russia by Cinematographer Yan Yasinsky.