Hey Arnold!

Francesca Marie Smith Helga Pataki (voice)

Jamil Walker Smith Gerald Johanssen (voice)

Dan Castellaneta Animal Control Officer (voice)

Justin Shenkarow Harold Berman / Robert (voice)

Anndi McAfee Phoebe Heyerdahl / Italian Girl / French Girl (voice)

C

Christopher Walberg Stinky Peterson (voice)

Phillip Van Dyke Arnold (voice)

Spencer Klein Arnold (voice)

Olivia Hack Rhonda Wellington Lloyd / Mary (voice)

L

Lane Toran Arnold (voice)

S

Sam Gifaldi Sid / Robert (voice)

Blake McIver Ewing Eugene Horowitz (voice)