Arnold — Cast & Crew

Crew

Star Cast

🎬

J.D. Daniels

as Arnold (voice)

Francesca Marie Smith

as Helga (voice)

Justin Shenkarow

as Harold (voice)

Jamil Walker Smith

as Gerald (voice)

Craig Bartlett

as Brainy (voice)

Dan Castellaneta

as Grandpa (voice)

Tress MacNeille

as Grandma (voice)