Sid the Science Kid: The Movie

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)