Guest Stars Michaela Dietz voices Darryl Sumalee Montano voices Mom Lara Jill Miller voices Libby Jenifer Lewis voices Patty John DiMaggio voices Sir Alister Greg Baldwin voices Bartholomew Grey DeLisle Griffin voices Lucretia Kari Wahlgren voices Grimbella Andrew Phung voices Mr. Pham Secunda Wood voices Ghost Doctor Kimberly Brooks voices Adia Kari Wahlgren voices Georgie Co Starring Rob Cantor voices Additional Voices John DiMaggio voices Additional Voices