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)
Dana Woods
NiuNiu / Grandma / Miao Hu / May
Christopher Lloyd
Dr. Bonabodon (voice)
Bruce Lanoil
Dr. Bonabodon (face) / Bobbybot (voice) / Zeke / Ira (voice) / Zippa (voice)
Victor Yerrid
Gerald / Dad / Popo (voice)
Donna Kimball
Susie / Zeke / PA Announcer / Pinki (voice)
Sonya Leslie
Susie / Mom
