Stepping in to play Romeo for Kenneth Branagh at a couple of days' notice, followed by the razzamatazz of Tristan Tzara? Fox says it's like ice skatingIt sounds like an actor's fantasy, crossed with the worst kind of anxiety dream: the phone goes and it's a West End producer on the line. Romeo is injured, so is the understudy " can you go on the following night? In July, that is exactly what happened to 27-year-old F…
