Guest Stars Kevin Clash voices Uncle Travelling Matt Dave Goelz as Uncle Travelling Matt John Tartaglia voices Sprocket Donna Kimball voices Cotterpin Kanja Chen voices Pogey Dave Goelz voices World's Oldest Fraggle John Tartaglia voices Architect Frank Meschkuleit as World's Oldest Fraggle Andy Heyward voices Wrench Ali J. Eisner voices Turbo Karen Prell voices Icy Joe Donna Kimball voices Storyteller Frank Meschkuleit voices Large Marvin Aymee Garcia voices Henchy Kira Hall voices Melody Merggle 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