Hey Arnold!

Francesca Marie Smith

Helga Pataki (voice)

Ages 11-19

Jamil Walker Smith

Gerald Johanssen (voice)

Ages 14-21

Dan Castellaneta

Grandpa Phil (voice)

Ages 38-46

Justin Shenkarow

Harold Berman (voice)

Ages 15-23

Anndi McAfee

Phoebe Heyerdahl (voice)

Ages 17-24

Christopher Walberg

Stinky Peterson (voice)

Ages 10-18

Phillip Van Dyke

Arnold (voice)

Ages 12-19

Spencer Klein

Arnold (voice)

Ages 10-17

Olivia Hack

Rhonda Wellington Lloyd (voice)

Ages 13-20

Lane Toran

Arnold (voice)

Sam Gifaldi

Sid (voice)

Ages 12-20

Blake McIver Ewing

Eugene Horowitz (voice)

Ages 11-19

Craig Bartlett

Brainy (voice)

Tress MacNeille

Grandma Gertie (voice)

Ages 45-52

Kath Soucie

Miriam Pataki (voice)

Ages 29-37

Steve Viksten

Oskar Kokoshka (voice)

Ages 36-43

Maurice LaMarche

Big Bob Pataki (voice)

Ages 38-46

Dom Irrera

Ernie Potts (voice)

Dan Butler

Mr. Simmons (voice)

Ages 41-49

David Wohl

Principal Wartz (voice)

Ages 43-50

Ben Diskin

Eugene Horowitz (voice)

Ages 14-21

Baoan Coleman

Mr. Hyunh (voice)

James Keane

Mr. Green (voice)

Ages 44-51

Adam Wylie

Curly Gammelthorpe (voice)

Ages 12-20

Lou Rawls

Harvey (voice)

Ages 62-70

Christopher Castile

Eugene Horowitz (voice)

Ages 16-23

Mary Scheer

Suzie Kokoshka (voice)

Ages 33-41

Nika Futterman

Olga Pataki (voice)

Ages 26-34

Danica Ivancevic

Officer Pudney (voice)

Lauren Robinson

Nadine (voice)

Marcus Toji

Park (voice)

Ages 11-19

Rick Fitts

Mr. Johanssen (voice)

Avriel Epps

Timberly Johanssen (voice)

Jordan Warkol

Chocolate Boy (voice)

Ages 9-17

John Mariano

Vic / Morrie (voice)

Ages 36-43

Shari Belafonte

Mrs. Johanssen (voice)

Ages 42-49

Michael Bacall

Torvald (voice)

Ages 23-31

Joey Paul Jensen

Mindy / Mrs. Uberman (voice)

Jarrett Lennon

Eugene Horowitz (voice)

Ages 14-22

Tony Jay

Rex Smythe-Higgins (voice)

Ages 63-71

Ashley Buccille

Lila Sawyer (voice)

Tim Wiley

Edmund (voice)

Rick Corso

Dino Spumoni (voice)

Jim Belushi

Coach Wittenberg (voice)

Ages 42-49

Carlos Alazraqui

Minion (voice)

Ages 34-41

Lisa Fuson

Danny's Mom / Bratty Kid #2 (voice)

Ages 32-40

Danielle Judovits

Patricia "Big Patty" Smith (voice)

Ages 11-19

Maria Bamford

Iggy's Mother (voice)

Ages 26-33

Michael Welch

Ages 9-16

Elizabeth Ashley

Mrs. Vitello (voice)

Ages 57-64

Frank Martorana

Burt (voice)

Mark Hamill

Grubby (voice)

Ages 45-52

Vincent Schiavelli

Pigeon Man (voice)

Ages 47-55

Caroline Aaron

Moderator (voice)

Ages 44-51

Billy Riback

TV Reporter / Announcer (voice)

Lacey Chabert

Ruth P. McDougal (voice)

Ages 14-21

Ron Perlman

Mickey Kaline (voice)

Ages 46-54

Elliott Gould

Rabbi Goldberg (voice)

Ages 58-65

Cathy Moriarty

Tish Wittenberg (voice)

Ages 35-43

Joey Stinson

Rex Smythe-Higgins III (voice)

Mary Gross

Shelley (voice)

Ages 43-51

Lori Alan

Secretary / Cop / Candy Lady (voice)

Ages 30-37

Victor Samuel Lopez

Lorenzo (voice)

Bronson Pinchot

Director / Chauffeur (voice)

Ages 37-45

Gregg Berger

Lucky / Worker #1 (voice)

Ages 45-53

Candi Milo

The Parrot (voice)

Ages 35-43

Haley Joel Osment

Ages 8-16

Jess Harnell

Ages 32-40

Jeremy Suarez

Ages 6-13

Henry Gibson

Ages 61-68

Jack Angel

Ages 65-73

Andy Dick

Monkeyman (voice)

Ages 30-38

Fred Willard

Ages 63-70

Pat Corley

Ages 66-74

Mayim Bialik

Maria (voice)

Ages 20-28

Zelda Rubinstein

Ages 63-71

Georgia Engel

Ages 48-55

Michael McKean

Ages 48-56

Kathie Lee Gifford

Ages 43-50

Brian Doyle-Murray

Lasombra

Ages 50-58

Davy Jones

Himself

Ages 50-58

Michael Levin

Ray Doppel (voice)

Steven Hartman

Curly (voice)

Danny Cooksey

Stoop Kid (voice)

Ages 20-28

Pamela Hayden

Connie (voice)

Ages 42-50

Michael Donovan

Maria's Dad / Cabby (voice)

Ages 43-50

Quinton Flynn

Man #1 (voice)

Ages 31-39

Christine Ebersole

Lana Vail (voice)

Ages 43-51

Jim Lang

The Mad Engineer (voice)

Danny Strong

Teen #1 / Teen #2 (voice)

Ages 22-30

Hiep Thi Le

Mai Hyunh (voice)

Ages 25-33

Grant Gelt

Tucker Wittenberg (voice)

Ages 16-24

Max Casella

Tony B. / Philly D. (voice)

Ages 29-37

Kevin Michael Richardson

Blind Man / Newscaster (voice)

Ages 31-39

DeeDee Rescher

Torvald's Mother (voice)

Ages 43-50

Ben Aaron

Jamie O Johanssen (voice)

Joe Purdy

Mr. Purdy (voice; uncredited)

Angie Jaree

Big Bob Jingle Singer (voice)

Michael Fishman

Joey Stevenson (voice)

Ages 14-22

David L. Lander

Sam the Sewer King (voice)

Ages 49-56

Lloyd Sherr

Berlitz Teacher / Stylist (voice)

Ages 40-48

Julia Louis-Dreyfus

Miss Felter (voice)

Ages 35-43

Jimmy Peterson

Teenage Bully (voice)

Daniel Stern

Mr. Packenham (voice)

Ages 39-46

Harvey Korman

Don Reynolds (voice)

Ages 69-77

Alan Paul

Dino Spumoni (singing voice)

John Garry

Lieutenant Major Goose (voice)

Kathy Najimy

Madame Blanche (voice)

Ages 39-47

Marty York

Mickey the Weasel / Fifth Grader #1 (voice)

John Schuck

Wally / Announcer (voice)

Ages 56-64

Clancy Brown

Dan (voice)

Ages 37-45

John Rubano

Sherm (voice)

George Takei

Phoebe's Father (voice)

Ages 59-67

Jean Smart

Phoebe's Mother (voice)

Ages 45-52

Carol Kane

Emily Dickinson Trophy (voice)

Ages 44-51

Jamie Farr

Mr. Wacko (voice)

Ages 62-69

Sam McMurray

Robbie Fisher (voice)

Ages 44-52

Ashley Tesoro

Fifth Grader (voice)

Jer Adrianne Lelliott

Little Kid (voice)

Ages 13-21

Randy Travis

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

Ages 37-45

Hari Oziol

Boy in Crowd (voice)

Wendy Hammers

Jackie Lee (voice)

Peter Scolari

Doug LeSham (voice)

Ages 41-48

Christian Mena

Ronnie Matthews (singing voice)

Steve Fitzpatrick

Floyd / Slim (voice)

Joseph Ashton

Iggy (voice)

Ages 9-17

Jane Carr

Inga (voice)

Ages 46-53

Moira Quirk

Woman / Kid #3 (voice)

Ages 27-35

Mitzi McCall

Pearl Simmons (voice)

Ages 64-71

Rose Marie

Agatha Caulfield (voice)

Ages 73-80

Jessica Sodd

Marcy (voice)

Tim Curry

Mr. Leichliter (voice)

Ages 50-58

Josh Ryan Evans

3rd Grader (voice)

Ages 14-22

Kyle Gibson

Crony (voice)

Ages 13-21

Cameron Van Hoy

Big Gino (voice)

Phil LaMarr

Jamie O Johanssen (voice)

Ages 29-37

Laraine Newman

Librarian / Kid (voice)

Ages 44-52

Phyllis Diller

Mitzi

Ages 79-86