Hey Arnold! (1996)

Francesca Marie Smith

Helga Pataki (voice)

Jamil Walker Smith

Gerald Johanssen (voice)

Dan Castellaneta

Grandpa Phil / Nolo (voice)

Justin Shenkarow

Harold Berman (voice; uncredited)

Anndi McAfee

Phoebe Heyerdahl / Ruth P. McDougal (voice)

Christopher Walberg

Stinky (voice)

Phillip Van Dyke

Arnold (voice)

Spencer Klein

Arnold (voice)

Olivia Hack

Rhonda Wellington Lloyd (voice)

Lane Toran

Wolfgang / French Boy (voice)

Sam Gifaldi

Billy (voice)

Blake McIver Ewing

Eugene Horowitz (voice)

Craig Bartlett

Monkeyman (voice; uncredited)

Tress MacNeille

Grandma Gertie / Harold's Aunt (voice)

Kath Soucie

Miriam Pataki / Nancy Woman (voice)