John Hurt rumbles nobly on as Adam Sutler, the psychotic fascist dictator; Hugo Weaving puts a mask on to play V, a Guy Fawkes-like figure who blows up the Old Bailey and the Houses of Parliament with the help of Evey (a shaven-headed, Natalie Portman, a trifle uncertain of accent). They go to it with a will, but there really isn't a way to make this cautionary tale work properly.