Guest Stars Kevin Clash as Uncle Travelling Matt Dave Goelz voices Uncle Travelling Matt Dan Garza voices Junior Gorg Ben Durocher as Junior Gorg Andy Heyward as Pa Gorg Frank Meschkuleit voices Pa Gorg Ingrid Hansen as Ma Gorg Aymee Garcia voices 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 Frank Meschkuleit voices Large Marvin Ingrid Hansen voices Lanford Co Starring Andrew Hey voices Background Singers Harvey Mason Jr. voices Background Singers Sam Ramirez voices Background Singers Britt Mason voices Background Singers Ana Krafchick voices Background Singers Binney Montgomery voices Background Singers