Trailer
 | Fred Tatasciore as Gluko / Kitty Num Nums (voice) |
 | James Arnold Taylor as Lennon (voice) |
 | Dana Snyder as Grandma (voice) |
 | Roger L. Jackson as Mr. Sprinkles (voice) |
 | Alex Jayne Go as Little Bubble (voice) |
 | Brendon Small as Pointy Thing (voice) |
| Artie Esposito as Puppeteer (voice) |
| Anna Gamburg as Little Bubble (voice) |
| Denise Gorzelanny as Grandma (voice) |
| Achim Götz as Gesang (voice) |
| Karlo Hackenberger as Gluko (voice) |
| Henrik Ilgner as Gesang (voice) |
| Matti Klemm as Bubble Monster (voice) |
| Elias Kunze as Bubble (voice) |
| Simon Kunze as Bubble (voice) |
| Jan Makino as Lennon (voice) |
| Camera | |
| Matt Schleicher | Director of Photography |
Editing | |
| Felipe Salazar | Editor |
Writing | |
| Ben Gruber | Writer |
Art | |
| Brett A. Snodgrass | Art Direction |
Production | |
| Andrea Romano | Casting |
Directing | |
| Sung Jin Ahn | Director |
Production | |
| Laura Boersma | Supervising Producer |
Art | |
| Khang Le | Art Direction |
Sound | |
| Simon Panrucker | Music |
