Guest Stars Kevin Clash voices Uncle Travelling Matt Dave Goelz as Uncle Travelling Matt Dan Garza as Junior Gorg Ben Durocher voices Junior Gorg Frank Meschkuleit as Pa Gorg Andy Heyward voices Pa Gorg John Tartaglia voices Sprocket Donna Kimball voices Cotterpin Kanja Chen voices Pogey John Tartaglia voices Architect Dan Garza voices Philo John Tartaglia voices Gunge Aymee Garcia voices Majory the Trash Heap 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