The infamous MacGuffin in this Hitchcock film is the identity of the thief.The stylish film""s screenplay, by John Michael Hayes (in his second project with Hitchcock), was based on the novel of he same name by David Dodge.While keeping watch that night, Harry spotted a Patronus (a silver doe) and followed it to a small ice-covered pond, where he saw the Gryffindor Sword submerged in the water.Cedar warns him of continual public scrutiny and unwanted notoriety by the press, and is present to again officially seek Deeds"" power of attorney: "It""ll save you a lot of petty annoyances.Another classmate who had often bullied Clark in high school - drunk ex-football star Brad Wilson (Gavan O""Herlihy), refused to shake Clark""s hand, and scowled when Lana showed an affectionate preference for Clark instead of him on the dance floor.