Guest Stars Kevin Clash voices Uncle Travelling Matt Dave Goelz as Uncle Travelling Matt Dan Garza as Junior Gorg Ben Durocher voices Junior Gorg Andy Heyward voices Pa Gorg Frank Meschkuleit as Pa Gorg Aymee Garcia as Ma Gorg Ingrid Hansen voices Ma Gorg John Tartaglia voices Sprocket Donna Kimball voices Cotterpin Kanja Chen voices Pogey Andy Heyward voices Wrench Kira Hall voices Melody Merggle Kanja Chen voices Ferguson Merggle Co Starring Sam Ramirez voices Background Singers Andrew Hey voices Background Singers Harvey Mason Jr. voices Background Singers Britt Mason voices Background Singers Ana Krafchick voices Background Singers