Sibling rivalry is taking a dark turn on the London stage as the world premiere of Neil LaBute’s In a Forest Dark and Deep launches at the West End’s Vaudeville Theatre. Lost veteran Matthew Fox is making his West End debut as Bobby, who spends a dark and stormy night helping his sister Betty (Olivia Williams) clear out her forest cottage, where things quickly take a savage turn. The dark comedy runs March 3 through June 4. Check out Alastair Muir’s photos below for a front row seat to this shocking psychological thriller.