Drew Massey
Sid / Stack (voice)
Misty Rosas
Sid
Alice Dinnean
Gabriela (voice) / Susie / Zeke / Mom (voice) / Miao Hu (voice) / QT9 (voice)
John Munro Cameron
Gabriela / Dr. Bonabodon / Dad
Allan Trautman
Yangyang (voice) / Gerald / Dad
Alon Williams
Yangyang / Gerald / Zeke
Matthew Yang King
Yangyang
Julianne Buescher
NiuNiu / Grandma / May (voice)
