Which UK-born movie star would play crack British PR pro Simon Lewis in a movie? Colin Firth? Pierce Brosnan? Jude Law? Oh wait, you don’t know Mr. Lewis. He’s the PR guru who refurbished the British Royal Family’s image after the death of Princess Diana. This week, he was appointed to 10 Downing Street—you know, Britain’s version of the White House—to become Prime Minister Gordon Brown’s new director of communications.