Guest Stars
![Liam O'Brien](https://static.tvmaze.com/uploads/images/medium_portrait/390/976815.jpg)
Liam O'Brien
voices Professor Maelstrom![Michael Hawley](https://static.tvmaze.com/uploads/images/medium_portrait/293/732761.jpg)
Michael Hawley
voices Zack![Abby Trott](https://static.tvmaze.com/uploads/images/medium_portrait/293/732759.jpg)
Abby Trott
voices Ivy![Paul Nakauchi](https://static.tvmaze.com/uploads/images/medium_portrait/131/328997.jpg)
Paul Nakauchi
voices Shadowsan![Kimiko Glenn](https://static.tvmaze.com/uploads/images/medium_portrait/369/923589.jpg)
Kimiko Glenn
voices Paperstar![Sumalee Montano](https://static.tvmaze.com/uploads/images/medium_portrait/461/1154617.jpg)
Sumalee Montano
voices Lady Dokuso![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)
Mike Hagiwara
voices Hideo![Liam O'Brien](https://static.tvmaze.com/uploads/images/medium_portrait/390/976815.jpg)
Liam O'Brien
voices Yakuza Goon 3![Paul Nakauchi](https://static.tvmaze.com/uploads/images/medium_portrait/131/328997.jpg)
Paul Nakauchi
voices Yakuza Goon 2![Abby Trott](https://static.tvmaze.com/uploads/images/medium_portrait/293/732759.jpg)
Abby Trott
voices Train Voice![Michael Hawley](https://static.tvmaze.com/uploads/images/medium_portrait/293/732761.jpg)
Michael Hawley
voices Sumo![No image yet, be the one to add it. No image (yet).](https://static.tvmaze.com/images/no-img/no-img-portrait-clean.png)