Meanwhile, she is writing a script about the murder of Chilean activist Victor Jara; in March her children's film, Nanny McPhee, for which she has spent six years raising the money, will go into production; and in the autumn we will see her as the eccentric Professor Trelawney in the next Harry Potter film. "I get to have a nervous breakdown and stand on the top of the stairs waving an empty bottle of sherry, which is, of course, a typical scene from my daily life, so it isn't much of a stretch," she quips. "My daughter is not quite into Harry Potter yet, but I am doing it so that she will be very impressed later on."