Guest Stars Dave Goelz voices Uncle Travelling Matt Frank Meschkuleit as Uncle Travelling Matt Ben Durocher voices Junior Gorg Dan Garza as Junior Gorg Andy Heyward voices Pa Gorg Frank Meschkuleit as Pa Gorg Ingrid Hansen voices Ma Gorg Aymee Garcia as Ma Gorg John Tartaglia voices Sprocket Donna Kimball voices Cotterpin Kanja Chen voices Pogey John Tartaglia voices Architect Andy Heyward voices Wrench Ali J. Eisner voices Turbo Dan Garza voices Philo Aymee Garcia voices Majory the Trash Heap John Tartaglia voices Gunge Frank Meschkuleit voices Large Marvin Co Starring Harvey Mason Jr. voices Background Singers Andrew Hey voices Background Singers Sam Ramirez voices Background Singers Britt Mason voices Background Singers Ana Krafchick voices Background Singers