The twins in Stanley Kubrick’s 1980 film The Shining were never supposed to be identical. In Stephen King’s 1977 book, the Grady sisters are just sisters, eight and 10, and “cute as a button,” at least until spirits and isolation turned their father murderous (you know, just a regular Thursday at the Overlook Hotel). Soon after the book’s rise to the bestseller lists, Kubrick began production on the film, and auditioned numerous young actors to play the sisters. But when identical twins Lisa and Louise Burns waltzed in, they won…