Hé Arnold !

Francesca Marie Smith

Helga Pataki (voice)

Jamil Walker Smith

Gerald Johanssen (voice)

Dan Castellaneta

Grandpa Phil / Chicken Man (voice)

Justin Shenkarow

Harold Berman / Robert (voice)

Anndi McAfee

Phoebe Heyerdahl / Kid #2

Christopher Walberg

Stinky Peterson (voice)

Phillip Van Dyke

Arnold (voice)

Spencer Klein

Arnold (voice)

Olivia Hack

Rhonda Wellington Lloyd / Mary (voice)

Lane Toran

Wolfgang (voice)

Sam Gifaldi

Sid (voice)

Blake McIver Ewing

Eugene Horowitz (voice)

Craig Bartlett

Chester (voice)

Tress MacNeille

Grandma Gertie / Arnold's Mother (voice)

Kath Soucie

Miriam Pataki (voice)

Steve Viksten

Oskar Kokoshka / Smitty (voice)

Maurice LaMarche

Big Bob Pataki / Mechanic (voice)

Dom Irrera

Ernie Potts (voice)

Dan Butler

Mr. Simmons / Lila's Father (voice)

David Wohl

Mr. Berman (voice)

Ben Diskin

Eugene Horowitz / Kid (voice)

Baoan Coleman

Mr. Hyunh (voice)

James Keane

Mr. Green (voice)

Adam Wylie

Curly Gammelthorpe (voice)

Lou Rawls

Harvey (voice)

Christopher Castile

Eugene Horowitz / Robert (voice)

Mary Scheer

Suzie Kokoshka (voice)

Nika Futterman

Olga Pataki (voice)

Danica Ivancevic

Flight Attendant (voice)

Lauren Robinson

Nadine (voice)

Marcus Toji

Park / Iggy (voice)

Rick Fitts

Mr. Johanssen (voice)

Avriel Epps

Timberly Johanssen (voice)

Jordan Warkol

Chocolate Boy (voice)

John Mariano

Zamboni Jones / Banana Guy / Shady Guy (voice)

Shari Belafonte

Mrs. Johanssen (voice)

Michael Bacall

Tommy (voice)

Joey Paul Jensen

Seymour's Mother (voice)

Jarrett Lennon

Eugene Horowitz (voice)

Tony Jay

Rex Smythe-Higgins (voice)