The adventures of a daydreaming, jazz-loving, football-headed 9-year-old, who lives in a boarding house with his grandparents and some eccentric boarders, encounters life in the city with his best friend Gerald, a loofah-haired kid, who is the keeper of the urban tales and coolest kid in class; and Helga, who torments him, but loves him secretly.
Spencer Klein | Arnold (voice) | |
Jamil Walker Smith | Gerald Johanssen (voice) | |
Olivia Hack | Rhonda Wellington Lloyd (voice) | |
Anndi McAfee | Phoebe Heyerdahl (voice) | |
Justin Shenkarow | Harold Berman (voice) | |
Francesca Smith | Helga Pataki (voice) |
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