Before I Go to Sleep

Nicole Kidman

Christine

Colin Firth

Ben

Mark Strong

Dr. Nasch

Ben Crompton

Warehouse Caretaker

Anne-Marie Duff

Claire

Adam Levy

Ben

Gabriel Strong

Boy on Bike

Flynn MacArthur

Boy in Dream

Dean-Charles Chapman

Adam

Jing Lusi

Nurse Kate (uncredited)

Rosie MacPherson

Emily (uncredited)

Steve Munroe

Warehouse Worker (uncredited)