Guest Stars Michaela Dietz voices Darryl Sumalee Montano voices Mom Jordan Klepper voices Dad John DiMaggio voices Sir Alister Greg Baldwin voices Bartholomew Alan Lee voices Ollie Grey DeLisle Griffin voices Lucretia Kari Wahlgren voices Grimbella Sue Ann Pien voices June Leonard Wu voices Ruben Stephanie Sheh voices Esther John DiMaggio voices Heidi Hairylegs