The full cast of celebrities from the Dancing with the Stars Season 27 lineup has just been announced. Joining previously announced stars Joe "Grocery Store Joe" Amabile, Nancy McKeon and Milo Manheim is an exciting roster that includes an American Idol mentor, the first ever blind contestant to take part in the show, an alumnus from Hogwarts School of Witchcraft and Wizardry, a Duke of Hazzard, and an Olympic Gold medal-winning gymnast, among others.