Guest Stars Grey DeLisle Griffin voices Xandra the Goddess of Adventure Wayne Knight voices Baron Von Sheldgoose Jessica DiCicco voices April Jessica DiCicco voices May Jessica DiCicco voices June Dee Bradley Baker voices Ari the Aracuan Bird Kevin Michael Richardson voices Felldrake Dee Bradley Baker voices Leopold The Horrible Jim Cummings voices Bear Rug John O'Hurley voices King Arthur Dee Bradley Baker voices Tyrone Jim Cummings voices Bors the Younger Eric Bauza voices Merlin Grey DeLisle Griffin voices Kay Matt Danner voices Gallahad Matt Danner voices Game Voice