—
J.D. Daniels
Arnold (voice)
Francesca Marie Smith
Helga (voice)
Justin Shenkarow
Harold (voice)
Jamil Walker Smith
Gerald (voice)
Craig Bartlett
Brainy (voice)
دان كاستلانيتا
Grandpa (voice)
تريس ماكنيلي
Grandma (voice)
المخرج
الكتّاب
Craig Bartlett، Joe Ansolabehere، Steve Viksten
Nickelodeon Animation Studio
Nickelodeon Movies
Paramount Pictures
