Hey Arnold!

Francesca Marie Smith

Helga Pataki (voice)

Jamil Walker Smith

Gerald Johanssen (voice)

Dan Castellaneta

Grandpa Phil (voice)

Justin Shenkarow

Harold Berman (voice)

Anndi McAfee

Phoebe Heyerdahl (voice)

Christopher Walberg

Stinky Peterson (voice)

Phillip Van Dyke

Arnold (voice)

Spencer Klein

Arnold (voice)

Olivia Hack

Rhonda Wellington Lloyd (voice)

Lane Toran

Arnold (voice)

Sam Gifaldi

Sid (voice)

Blake McIver Ewing

Eugene Horowitz (voice)

Craig Bartlett

Brainy (voice)

Tress MacNeille

Grandma Gertie (voice)

Kath Soucie

Miriam Pataki (voice)

Steve Viksten

Oskar Kokoshka (voice)

Maurice LaMarche

Big Bob Pataki (voice)

Dom Irrera

Ernie Potts (voice)

Dan Butler

Mr. Simmons (voice)

David Wohl

Principal Wartz (voice)

Ben Diskin

Eugene Horowitz (voice)

Baoan Coleman

Mr. Hyunh (voice)

James Keane

Mr. Green (voice)

Adam Wylie

Curly Gammelthorpe (voice)

Lou Rawls

Harvey (voice)

Christopher Castile

Eugene Horowitz (voice)

Mary Scheer

Suzie Kokoshka (voice)

Nika Futterman

Olga Pataki (voice)

Danica Ivancevic

Officer Pudney (voice)

Lauren Robinson

Nadine (voice)

Marcus Toji

Park (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

Rex Smythe-Higgins (voice)

Ashley Buccille

Lila Sawyer (voice)

Tim Wiley

Edmund (voice)

Rick Corso

Dino Spumoni (voice)

Jim Belushi

Coach Wittenberg (voice)

Carlos Alazraqui

Nigel / Man (voice)

Lisa Fuson

Movie Woman (voice)

Danielle Judovits

Patricia "Big Patty" Smith (voice)

Maria Bamford

Mayor Dixie (voice)

Michael Welch

Elizabeth Ashley

Mrs. Vitello (voice)

Frank Martorana

Thug / Teen #3 (voice)

Mark Hamill

Grubby (voice)

Vincent Schiavelli

Mr. Bailey (voice)

Caroline Aaron

Landlady (voice)

Billy Riback

TV Reporter / Announcer (voice)

Lacey Chabert

Ruth P. McDougal (voice)

Ron Perlman

Mickey Kaline (voice)

Elliott Gould

Rabbi Goldberg (voice)

Cathy Moriarty

Tish Wittenberg (voice)

Joey Stinson

Rex Smythe-Higgins III (voice)

Mary Gross

Nurse / Actress (voice)

Lori Alan

Rhonda's Mother (voice)

Victor Samuel Lopez

Lorenzo (voice)

Bronson Pinchot

Ronnie Matthews (voice)

Gregg Berger

Policeman / Jolly Olly Boss (voice)

Candi Milo

Cherice (voice)

Haley Joel Osment

Jess Harnell

Jeremy Suarez

Henry Gibson

Jack Angel

Andy Dick

Monkeyman (voice)

Fred Willard

Pat Corley

Mayim Bialik

Maria (voice)

Zelda Rubinstein

Georgia Engel

Michael McKean

Kathie Lee Gifford

Brian Doyle-Murray

Lasombra

Davy Jones

Himself

Michael Levin

Ray Doppel (voice)

Steven Hartman

Curly (voice)

Danny Cooksey

Stoop Kid (voice)

Pamela Hayden

Connie (voice)

Michael Donovan

Maria's Dad / Cabby (voice)

Quinton Flynn

Man #1 (voice)

Christine Ebersole

Lana Vail (voice)

Jim Lang

The Mad Engineer (voice)

Danny Strong

Teen #1 / Teen #2 (voice)

Hiep Thi Le

Mai Hyunh (voice)

Grant Gelt

Tucker Wittenberg (voice)

Max Casella

Tony B. / Philly D. (voice)

Kevin Michael Richardson

Blind Man / Newscaster (voice)

DeeDee Rescher

Torvald's Mother (voice)

Ben Aaron

Jamie O Johanssen (voice)

Joe Purdy

Mr. Purdy (voice; uncredited)

Angie Jaree

Big Bob Jingle Singer (voice)

Michael Fishman

Joey Stevenson (voice)

David L. Lander

Sam the Sewer King (voice)

Lloyd Sherr

Berlitz Teacher / Stylist (voice)

Julia Louis-Dreyfus

Miss Felter (voice)

Jimmy Peterson

Teenage Bully (voice)

Daniel Stern

Mr. Packenham (voice)

Harvey Korman

Don Reynolds (voice)

Alan Paul

Dino Spumoni (singing voice)

John Garry

Lieutenant Major Goose (voice)

Kathy Najimy

Madame Blanche (voice)

Marty York

Mickey the Weasel / Fifth Grader #1 (voice)

John Schuck

Wally / Announcer (voice)

Clancy Brown

Dan (voice)

John Rubano

Sherm (voice)

George Takei

Phoebe's Father (voice)

Jean Smart

Phoebe's Mother (voice)

Carol Kane

Emily Dickinson Trophy (voice)

Jamie Farr

Mr. Wacko (voice)

Sam McMurray

Robbie Fisher (voice)

Ashley Tesoro

Fifth Grader (voice)

Jer Adrianne Lelliott

Little Kid (voice)

Randy Travis

Travis Randall / Mr. Hyunh's Singing (voice)

Hari Oziol

Boy in Crowd (voice)

Wendy Hammers

Jackie Lee (voice)

Peter Scolari

Doug LeSham (voice)

Christian Mena

Ronnie Matthews (singing voice)

Steve Fitzpatrick

Floyd / Slim (voice)

Joseph Ashton

Iggy (voice)

Jane Carr

Inga (voice)

Moira Quirk

Woman / Kid #3 (voice)

Mitzi McCall

Pearl Simmons (voice)

Rose Marie

Agatha Caulfield (voice)

Jessica Sodd

Marcy (voice)

Tim Curry

Mr. Leichliter (voice)

Josh Ryan Evans

3rd Grader (voice)

Kyle Gibson

Crony (voice)

Cameron Van Hoy

Big Gino (voice)

Phil LaMarr

Jamie O Johanssen (voice)

Laraine Newman

Librarian / Kid (voice)

Phyllis Diller

Mitzi