Guest Stars Bonnie Hunt voices Ms. Flint Christopher Swindle voices Phlegm Alanna Ubach voices Carla Stephen Stanton voices Chuck Roberts Gannaway voices Otis Roberts Gannaway voices Chalooby Romi Dames voices Kurtz Romi Dames voices Josephina Lucas Neff voices Richard Devin Bright voices Marcus Isabella Abiera voices Gurty Cooper Friedman voices Alexander Hadley Gannaway voices Thalia Lucian Perez voices Oscar Co Starring Michaela Dietz voices Additional Monsters