Hé Arnold !

Francesca Marie Smith

Helga Pataki (voice)

Jamil Walker Smith

Gerald Johanssen (voice)

Dan Castellaneta

Grandpa Phil / Judge (voice)

Justin Shenkarow

Joey (voice)

Anndi McAfee

Patrice (voice)

Christopher Walberg

Stinky Peterson / Kyle (voice)

Phillip Van Dyke

Ludwig (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

Father (voice)

Tress MacNeille

Movie Woman (voice)

Kath Soucie

Cecile (voice)

Steve Viksten

Oskar Kokoshka / Smitty (voice)

Maurice LaMarche

Revis (voice)

Dom Irrera

Stinky's Father (voice)

Dan Butler

Mr. Simmons / Dispatcher (voice)

David Wohl

Mr. Berman (voice)

Ben Diskin

Eugene Horowitz / Kid (voice)

Baoan Coleman

Mr. Hyunh (voice)

James Keane

Hospital Orderly (voice)

Adam Wylie

Lou Rawls

Harvey / Bus Driver (voice)

Christopher Castile

Eugene Horowitz (voice)

Mary Scheer

Suzie Kokoshka / Interviewer #1 (voice)

Nika Futterman

Olga Pataki (voice)

Danica Ivancevic

Receptionist (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

Vic / Morrie (voice)

Shari Belafonte

Mrs. Johanssen (voice)

Michael Bacall

Torvald (voice)

Joey Paul Jensen

Woman on Street (voice)

Jarrett Lennon

Eugene Horowitz (voice)

Tony Jay

Booming Voice (voice)