Guest Stars Michaela Dietz voices Darryl Sumalee Montano voices Mom Jordan Klepper voices Dad Eric Edelstein voices Geoff Sumalee Montano voices Grandma Nin John DiMaggio voices Sir Alister Greg Baldwin voices Bartholomew Kari Wahlgren voices Grimbella Grey DeLisle Griffin voices Joanie Pataky Sue Ann Pien voices June Trevor Devall voices Weird Larry Vincent Rodriguez III voices Jeff Liza Koshy voices Jinx Fred Tatasciore voices Hidalgo Jessica DiCicco voices Gertrude W. Earl Brown voices Lord Doom Jessica DiCicco voices Octavius Co Starring John DiMaggio voices Additional Voices Eric Edelstein voices Additional Voices