Crispin Glover's Knave of Hearts is the only one who can calm the Red Queen. He's seven-and-a-half feet tall and wears a heart-shaped patch over one eye on his battle-scarred face.
The Dodo, the Dormouse, and the White Rabbit join Tweedledee and Tweedledum in Wonderland. The White Rabbit is voiced by Michael Sheen, well-known for playing Tony Blair in "The Queen."