Olivier; Sam Wanamaker Playhouse; Kiln, LondonThe youngsters steal the show in the National's terrifying gothic Disney Roald Dahl; a fine cast are stranded in Ibsen by candlelight; and a bittersweet fairytale in New York hits the spot The Witches was published in 1983, almost 20 years after Charlie and the Chocolate Factory, and is a darker, slighter work. Roald Dahl, asked towards the end of his life to share his ge…
