Guest Stars Eden Espinosa voices Queen of Hearts Max Mittelman voices Cheshire Cat Audrey Wasilewski voices ThreeAnne of Hearts Dee Bradley Baker voices Jabbie Melissa van der Schyff voices JoJo Carlos Alazraqui voices Ernesto Jon Secada voices King of Hearts Carlos Alazraqui voices Diggy Audrey Wasilewski voices Oyster Max Mittelman voices Sleeping Sideline Throne Melissa van der Schyff voices Oyster Secunda Wood voices Oyster