D23 was packed with new information about "Star Wars: The Rise of Skywalker." The entire cast, including Daisy Ridley, John Boyega, Oscar Isaac and director JJ Abrams, was there to show off a new teaser that featured Rey with a dark cloak and red double-bladed lightsaber. Newcomers Keri Russell and Naomi Ackie also revealed a bit about their characters in Episode IX.