Guest Stars Kevin Clash as Uncle Travelling Matt Dave Goelz voices Uncle Travelling Matt Ben Durocher as Junior Gorg Dan Garza voices Junior Gorg Frank Meschkuleit voices Pa Gorg Andy Heyward as 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 Karen Prell voices Icy Joe Donna Kimball voices Storyteller Frank Meschkuleit voices Large Marvin Ingrid Hansen voices Lanford Kanja Chen voices Grizzard 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