Eric André
voices Luci
John DiMaggio
voices King Zøg
Matt Berry
voices Prince Merkimer
Maurice LaMarche
voices Odval
Lucy Montgomery
voices Bunty
Billy West
voices Sorcerio
Billy West
voices Mertz
Billy West
voices King Rulo
Maurice LaMarche
voices Big Jo
David Herman
voices Chazz
Sharon Horgan
voices Queen Dagmar
Billy West
voices Leavo
Maurice LaMarche
voices Junior Ogre
Richard Ayoade
voices Alva Gunderson
Tress MacNeille
voices Additional Voices