"The Regina Monologues" is the fourth episode of The Simpsons ' fifteenth season, which originally aired November 23, 2003. It was written by John Swartzwelder, and directed by Mark Kirkland. Guest starring Jane Leeves as Edwina and Tony Blair, Evan Marriott, Sir Ian McKellen and J. K. Rowling as themselves. It was the first episode in which the entire family went to Europe, and the first time a sitting head of government provided his own voice as a guest star.