Hey Arnold!

Helga Pataki (voice)

Gerald Johanssen (voice)

Grandpa Phil (voice), Grandpa Phil / Grandpa Phil's Father / Jolly Olly Man (voice), Nick Vermicelli (voice), Grandpa Phil / Chicken Man (voice), Big Arnold (voice), Grandpa Phil / Reporter (voice), Grandpa Phil / Cop #1 (voice), Grandpa Phil / Nick Vermicelli (voice), Delivery Man (voice), Grandpa Phil / Judge (voice), Grandpa Phil / Nolo (voice), Animal Control Officer (voice)

Harold Berman (voice), Harold Berman(voice), Joey (voice), Harold Berman / Boy on Bicycle (voice), Harold Berman / Iggy (voice), Harold Berman (voice; uncredited), Harold Berman / Robert (voice)

Phoebe Heyerdahl (voice), Phoebe Heyerdahl / Girl (voice), Phoebe Heyerdahl / Woman (voice), Phoebe Heyerdahl / Worker #2 (voice), Phoebe Heyerdahl / Italian Girl / French Girl (voice), Phoebe Heyerdahl / Kid #2, Phoebe Heyerdahl / Joy (voice), Patrice (voice), Phoebe Heyerdahl / Clerk (voice), Phoebe Heyerdahl / Ruth P. McDougal (voice)

Stinky Peterson (voice), Stinky Peterson / Kyle (voice), Stinky Peterson (voice; uncredited), Stinky Peterson / Bratty Kid #1 (voice), Stinky (voice)

Arnold (voice), Ludwig (voice)

Arnold (voice)

Rhonda Wellington Lloyd (voice), Rhonda Wellington Lloyd / Mary (voice)

Arnold (voice), Wolfgang (voice), Wolfgang / French Boy (voice), Arnold (singing voice)

Sid (voice), Billy (voice), Sid / Robert (voice)

Eugene Horowitz (voice)

Brainy (voice), Brainy (voice; uncredited), DJ (voice), Brainy / DJ (voice), Mop Guy (voice), Abner (voice), Brainy / Paper Boy (voice), Monkeyman (voice; uncredited), Minister (voice), Father (voice), Nashville Ned / Customer #1 (voice), Brainy / Mr. Packenham (voice), Chester (voice), Movie Man / Steve (voice), Big Man (voice), Brainy / Steel Mill Worker (voice), Brainy / Astronaut / Stockbroker (voice), Arnold's Father (voice), Cabbie / Party Clown (voice)

Grandma Gertie (voice), Miss Slovak (voice), Grandma Gertie / Miss Slovak (voice), Grandma Gertie / Harold's Aunt (voice), Grandma Gertie / Iggy / Joey (voice), Grandma Gertie / Arnold's Mother (voice), Grandma Gertie / Mayor Dixie (voice), Movie Woman (voice), Grandma Gertie / Interviewer #2 (voice)

Miriam Pataki (voice), Mrs. Berman (voice), Lunch Lady (voice), Miriam Pataki / Yolanda (voice), Mrs. Berman / Mrs. Ryle (voice), Miriam Pataki / Nancy Woman (voice), Hillary / Martha (voice), Agent (voice), Mariam Pataki (voice), Mrs. Berman / Miriam Pataki (voice), Miriam Pataki / Woman (voice), Mrs. Vitello (voice), Cecile (voice), Mrs. Berman / Danny (voice)

Oskar Kokoshka (voice), Caesar (voice; uncredited), Oskar Kokoshka / Cop #2 (voice), Oskar Kokoshka / Smitty (voice), Oskar Kokoshka / Caesar (voice; uncredited), Oskar Kokoshka / Caesar (voice), Oskar Kokoshka / Casa Paradiso Spokesman (voice), Oskar Kokoshka / Burt (voice), Oskar Kokoshka / Stagehand (voice), Italian Boy (voice)

Big Bob Pataki (voice), Abner (voice), Revis (voice), Big Bob Pataki / Douglas Cain (voice), Big Bob Pataki / Moderator (voice), Cecile's Dad / Jacques (voice), Big Bob Pataki / TV Man (voice), Big Bob Pataki / Uncle Chuck (voice), Big Bob Pataki / Clerk (voice), Big Bob Pataki / Organ Grinder (voice), Maurice / Director (voice), Big Bob Pataki / Mechanic (voice), Stinky's Father / Stinky's Grandpa (voice)

Ernie Potts (voice), Ernie Potts / Paper Man (voice), Guard / Mr. Feltz (voice), Stinky's Father (voice), Ernie Potts / Old Man (voice)

Mr. Simmons (voice), Mr. Simmons (voice; uncredited), Mr. Simmons / Houseboy (voice), Mr. Simmons / Lila's Father (voice), Mr. Simmons / Dispatcher (voice), Mr. Simmons / Publisher (voice), Mr. Simmons / Scientist (voice)

Principal Wartz (voice), Mr. Berman (voice), Principal Wartz / Announcer (voice), Mr. Berman / Bus Driver (voice), Principal Wartz / Bad Guy (voice)

Eugene Horowitz (voice), Eugene Horowitz / Kid (voice)

Mr. Hyunh (voice), Oskar Kokoshka (voice)

Mr. Green (voice), Mr. Green (voice; uncredited), Hospital Orderly (voice), Mr. Green / EBN Announcer (voice), Mr. Green / Judge (voice)

Curly Gammelthorpe (voice),

Harvey (voice), Harvey / Bus Driver (voice), Harvey / Pop Daddy (voice), Harvey (voice; uncredited)

Eugene Horowitz (voice), Eugene Horowitz / Robert (voice)

Suzie Kokoshka (voice), Suzie Kokoshka / Interviewer #1 (voice)

Olga Pataki (voice), Cynthia (voice), Lorenzo's Mother (voice)

Receptionist (voice), Officer Pudney (voice), Mother / Woman (voice; uncredited), Sabrina (voice), Librarian (voice), Flight Attendant (voice)

Nadine (voice)

Park (voice), Park / Iggy (voice), Park / Third Grader (voice)

Mr. Johanssen (voice)

Timberly Johanssen (voice)

Chocolate Boy (voice), Chocolate Boy / Jamie (voice)

Vic / Morrie (voice), Zamboni Jones / Banana Guy / Shady Guy (voice),

Mrs. Johanssen (voice)

Torvald (voice), Tommy (voice), Tony (voice)

Woman on Street (voice), Seymour's Mother (voice), Woman (voice), Mindy / Mrs. Uberman (voice)

Eugene Horowitz (voice)

Rex Smythe-Higgins (voice), Booming Voice (voice), Dr. Lipman (voice)

Lila Sawyer (voice)

Edmund (voice), Edmund / Fifth Grader #2 (voice)

Dino Spumoni (voice)

Coach Wittenberg (voice)

Nigel / Man (voice), Frankie G. / Chas (voice), Minion (voice)

Miss Slovak (voice), Danny's Mom / Bratty Kid #2 (voice), Movie Woman (voice)

Patricia "Big Patty" Smith (voice)

Mayor Dixie / Stinky's Grandma (voice), Iggy's Mother (voice), Mayor Dixie (voice)

Mrs. Vitello (voice)

Burt (voice), Thug / Teen #3 (voice)

Grubby (voice), Cop (voice)

Mr. Bailey (voice), Pigeon Man (voice)

Landlady (voice), Moderator (voice)

Announcer / PSA Guy (voice), TV Reporter / Announcer (voice)

Ruth P. McDougal (voice)

Mickey Kaline (voice), Mickey Kaline / Weiner Cooker (voice)

Rabbi Goldberg (voice)

Tish Wittenberg (voice)

Rex Smythe-Higgins III (voice)

Shelley (voice), Nurse / Actress (voice)

Secretary / Cop / Candy Lady (voice), Rhonda's Mother (voice)

Lorenzo (voice)

Director / Chauffeur (voice), Ronnie Matthews (voice)

Policeman / Jolly Olly Boss (voice), Lucky / Worker #1 (voice)

The Parrot (voice), Cherice (voice)

Monkeyman (voice)

Maria (voice)

Lasombra

Himself

Ray Doppel (voice)

Curly (voice)

Stoop Kid (voice)

Connie (voice)

Maria's Dad / Cabby (voice)

Man #1 (voice)

Lana Vail (voice)

The Mad Engineer (voice)

Teen #1 / Teen #2 (voice)

Mai Hyunh (voice)

Tucker Wittenberg (voice)

Tony B. / Philly D. (voice)

Blind Man / Newscaster (voice)

Torvald's Mother (voice)

Jamie O Johanssen (voice)

Mr. Purdy (voice; uncredited)

Big Bob Jingle Singer (voice)

Joey Stevenson (voice)

Sam the Sewer King (voice)

Berlitz Teacher / Stylist (voice)

Miss Felter (voice)

Teenage Bully (voice)

Mr. Packenham (voice)

Don Reynolds (voice)

Dino Spumoni (singing voice)

Lieutenant Major Goose (voice)

Madame Blanche (voice)

Mickey the Weasel / Fifth Grader #1 (voice)

Wally / Announcer (voice)

Dan (voice)

Sherm (voice)

Phoebe's Father (voice)

Phoebe's Mother (voice)

Emily Dickinson Trophy (voice)

Mr. Wacko (voice)

Robbie Fisher (voice)

Fifth Grader (voice)

Little Kid (voice)

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

Boy in Crowd (voice)

Jackie Lee (voice)

Doug LeSham (voice)

Ronnie Matthews (singing voice)

Floyd / Slim (voice)

Iggy (voice)

Inga (voice)

Woman / Kid #3 (voice)

Pearl Simmons (voice)

Agatha Caulfield (voice)

Marcy (voice)

Mr. Leichliter (voice)

3rd Grader (voice)

Crony (voice)

Big Gino (voice)

Jamie O Johanssen (voice)

Librarian / Kid (voice)

Mitzi