LONDON -- Jack Wild, the actor appeared who in the movie musical "Oliver!" as the irrepressible Artful Dodger, has died, his agent said Thursday. He was 53. Wild died Wednesday after a battle with mouth cancer, agent Alex Jay said. As a child actor, Wild appeared in a London stage production of "Oliver!", Lionel Bart's adaptation of Charles Dickens' "Oliver Twist." He was cast in the film as cheeky pickpocket the Artful Dodger, earning an Academy Award nomination at the age of 16. He was known to a generation of children as the hero of "HR Pufnstuf," a U.S. television...