Guest Stars
![Uncle Travelling Matt](https://static.tvmaze.com/uploads/images/medium_portrait/392/981817.jpg)
Dave Goelz
voices Uncle Travelling Matt![Junior Gorg](https://static.tvmaze.com/uploads/images/medium_portrait/392/981815.jpg)
Dan Garza
voices Junior Gorg![Pa Gorg](https://static.tvmaze.com/uploads/images/medium_portrait/392/982017.jpg)
Frank Meschkuleit
voices Pa Gorg![Sprocket](https://static.tvmaze.com/uploads/images/medium_portrait/392/980384.jpg)
John Tartaglia
voices Sprocket![Cotterpin](https://static.tvmaze.com/uploads/images/medium_portrait/392/981819.jpg)
Donna Kimball
voices Cotterpin![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Kanja Chen
voices Pogey![Dave Goelz](https://static.tvmaze.com/uploads/images/medium_portrait/20/50804.jpg)
Dave Goelz
voices World's Oldest Fraggle![John Tartaglia](https://static.tvmaze.com/uploads/images/medium_portrait/391/979958.jpg)
John Tartaglia
voices Architect![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Ali J. Eisner
voices Turbo![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Andy Heyward
voices Wrench![Gunge](https://static.tvmaze.com/uploads/images/medium_portrait/392/981814.jpg)
John Tartaglia
voices Gunge![Karen Prell](https://static.tvmaze.com/uploads/images/medium_portrait/348/872195.jpg)
Karen Prell
voices Icy Joe![Donna Kimball](https://static.tvmaze.com/uploads/images/medium_portrait/391/979177.jpg)
Donna Kimball
voices Storyteller![Frank Meschkuleit](https://static.tvmaze.com/uploads/images/medium_portrait/127/318989.jpg)
Frank Meschkuleit
voices Large Marvin![Ingrid Hansen](https://static.tvmaze.com/uploads/images/medium_portrait/210/527038.jpg)
Ingrid Hansen
voices Lanford![John Tartaglia](https://static.tvmaze.com/uploads/images/medium_portrait/391/979958.jpg)
John Tartaglia
voices Barry Blueberry![Aymee Garcia](https://static.tvmaze.com/uploads/images/medium_portrait/489/1223826.jpg)
Aymee Garcia
voices Henchy![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Kanja Chen
voices Grizzard![Kira Hall](https://static.tvmaze.com/uploads/images/medium_portrait/395/988238.jpg)
Kira Hall
voices Measure Doozer![Aymee Garcia](https://static.tvmaze.com/uploads/images/medium_portrait/489/1223826.jpg)
Aymee Garcia
voices Research Doozer![Dan Garza](https://static.tvmaze.com/uploads/images/medium_portrait/243/607644.jpg)
Dan Garza
voices Periscope DoozerCo Starring
![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Andrew Hey
voices Background Singers![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Sam Ramirez
voices Background Singers![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Britt Mason
voices Background Singers![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)