Fred Tatasciore

Gluko / Kitty Num Nums (voice)

James Arnold Taylor

Lennon (voice)

Dana Snyder

Grandma (voice)

Roger L. Jackson

Mr. Sprinkles (voice)

Alex Jayne Go

Little Bubble (voice)

Brendon Small

Pointy Thing (voice)

Artie Esposito

Puppeteer (voice)

Anna Gamburg

Little Bubble (voice)

Denise Gorzelanny

Grandma (voice)

Achim Götz

Gesang (voice)

Karlo Hackenberger

Gluko (voice)

Henrik Ilgner

Gesang (voice)

Matti Klemm

Bubble Monster (voice)

Elias Kunze

Bubble (voice)

Simon Kunze

Bubble (voice)

Sung Jin Ahn