<P> While Patch works at night, B.Z.'s assistant, Dr. Eric Towzer, appears at his house and reveals the candy canes will explode if exposed to heat . B.Z. proposes they flee to Brazil and let Patch take the fall for their criminal neglect, which Towzer eventually approves of, despite initially urging B.Z. to reconsider his actions as children are involved . Joe and Cornelia eavesdrop on the conversation, but Joe is caught and locked up in the basement of B.Z.'s factory . Patch finds Joe and discovers Santa made a carving for Joe that resembles him (which was unintentional, but pointed out by Anya). Thrilled that Santa remembers him, Patch and Joe set off in the Patchmobile to the North Pole . Cornelia sends a letter to Santa informing him of the situation . Despite Comet and Cupid having the Flu, Santa gathers up the other six reindeer and he arrives to pick Cornelia up . Santa and Cornelia pursue the Patchmobile, which is carrying a huge supply of candy canes on the verge of exploding . Santa convinces his reindeer to perform the Super Duper Looper in order to catch Patch and Joe as the Patchmobile explodes . Meanwhile, B.Z.'s crimes are uncovered when Cornelia calls the police . As Dr. Towzer and B.Z.'s chauffeur, Grizzard, are arrested, B.Z. attempts to evade the cops by eating several candy canes and tries to fly out of his office window only to fly up into the sky . </P> <P> The film ends with the inhabitants of the North Pole celebrating the triumph with a joyous dance party, where Cornelia and Joe have been adopted by Santa, his wife and his elves, whilst B.Z., in spite of his pleas for help, is doomed to float off into the depths of space, among the equally - affected remains of the Patchmobile as the end credits roll . </P> <Ul> <Li> David Huddleston as Santa Claus, the Christmas figure who delivers presents to every child in the world on Christmas Eve . </Li> <Li> Dudley Moore as Patch, a creative, inventive elf whose passion for and faith in the 20th Century is put to the test throughout the story . </Li> <Li> John Lithgow as B.Z., the main antagonist--an unscrupulous toy manufacturer who uses Patch in a larger scheme to take over Christmas . </Li> <Li> Judy Cornwell as Anya Claus, Santa's caring and supportive wife . </Li> <Li> Burgess Meredith as the Ancient One, the oldest and wisest of the elves . </Li> <Li> Jeffrey Kramer as Dr. Eric Towzer, B.Z.'s head of Research & Development . </Li> <Li> Christian Fitzpatrick as Joe, a homeless 10 - year - old orphan boy living on the hard streets of New York who befriends Santa and becomes Cornelia's best friend and conscience . </Li> <Li> Carrie Kei Heim as Cornelia, B.Z.'s 9 - year - old step - niece and orphan, who becomes Joe's conscience and best friend . </Li> <Li> John Barrard as Dooley, Santa's #2 at the North Pole . </Li> <Li> Anthony O'Donnell as Puffy, a bearded elf whose methodicalness foils against Patch's more radical progressiveness . </Li> <Li> Melvyn Hayes as Goober, head of the Sewing Department . </Li> <Li> Don Estelle as Groot, the elves' Senior Chef . </Li> <Li> Tim Stern as Boog, first of Patch's three best friends . </Li> <Li> Peter O'Farrell as Honka, second of Patch's three best friends . </Li> <Li> Christopher Ryan as Vout, third of Patch's three best friends . </Li> <Li> Keith Hayden as an Elf . </Li> <Li> Shannon Spruill as Bratty Kid at Ballet Class </Li> <Li> Nigel Paterson as bass - playing Elf in' Season's Greetings' scene . </Li> </Ul> <Li> David Huddleston as Santa Claus, the Christmas figure who delivers presents to every child in the world on Christmas Eve . </Li>

Who plays cornelia in santa claus the movie