Actors
Actor
Grandpa Phil (voice), Nick Vermicelli (voice), Grandpa Phil / Grandpa Phil's Father / Jolly Olly Man (voice), Grandpa Phil / Nolo (voice), Animal Control Officer (voice), Grandpa Phil / Reporter (voice), Grandpa Phil / Cop #1 (voice), Grandpa Phil / Nick Vermicelli (voice), Grandpa Phil / Chicken Man (voice), Big Arnold (voice), Delivery Man (voice), Grandpa Phil / Judge (voice)
Actor
Harold Berman (voice), Harold Berman(voice), Harold Berman / Iggy (voice), Harold Berman (voice; uncredited), Joey (voice), Harold Berman / Boy on Bicycle (voice), Harold Berman / Robert (voice)
Actor
Phoebe Heyerdahl (voice), Phoebe Heyerdahl / Woman (voice), Phoebe Heyerdahl / Ruth P. McDougal (voice), Phoebe Heyerdahl / Joy (voice), Phoebe Heyerdahl / Girl (voice), Patrice (voice), Phoebe Heyerdahl / Italian Girl / French Girl (voice), Phoebe Heyerdahl / Kid #2, Phoebe Heyerdahl / Worker #2 (voice), Phoebe Heyerdahl / Clerk (voice)
Actor
Stinky Peterson (voice), Stinky Peterson / Kyle (voice), Stinky Peterson / Bratty Kid #1 (voice), Stinky Peterson (voice; uncredited)
Actor
Arnold (voice), Wolfgang (voice), Arnold (singing voice), Wolfgang / French Boy (voice)
Writing
Brainy (voice), Brainy (voice; uncredited), DJ (voice), Brainy / DJ (voice), Movie Man / Steve (voice), Minister (voice), Nashville Ned / Customer #1 (voice), Mop Guy (voice), Brainy / Steel Mill Worker (voice), Chester (voice), Brainy / Mr. Packenham (voice), Monkeyman (voice; uncredited), Arnold's Father (voice), Big Man (voice), Father (voice), Brainy / Paper Boy (voice), Abner (voice), Cabbie / Party Clown (voice), Brainy / Astronaut / Stockbroker (voice)
Actor
Grandma Gertie (voice), Miss Slovak (voice), Grandma Gertie / Mayor Dixie (voice), Grandma Gertie / Interviewer #2 (voice), Grandma Gertie / Iggy / Joey (voice), Grandma Gertie / Arnold's Mother (voice), Movie Woman (voice), Grandma Gertie / Miss Slovak (voice), Grandma Gertie / Harold's Aunt (voice)
Actor
Miriam Pataki (voice), Mrs. Berman (voice), Miriam Pataki / Yolanda (voice), Mariam Pataki (voice), Hillary / Martha (voice), Agent (voice), Mrs. Berman / Miriam Pataki (voice), Miriam Pataki / Nancy Woman (voice), Mrs. Berman / Danny (voice), Cecile (voice), Mrs. Vitello (voice), Mrs. Berman / Mrs. Ryle (voice), Lunch Lady (voice), Miriam Pataki / Woman (voice)
Writing
Oskar Kokoshka (voice), Oskar Kokoshka / Caesar (voice), Oskar Kokoshka / Stagehand (voice), Caesar (voice; uncredited), Oskar Kokoshka / Cop #2 (voice), Oskar Kokoshka / Casa Paradiso Spokesman (voice), Italian Boy (voice), Oskar Kokoshka / Smitty (voice), Oskar Kokoshka / Burt (voice), Oskar Kokoshka / Caesar (voice; uncredited)
Actor
Big Bob Pataki (voice), Cecile's Dad / Jacques (voice), Maurice / Director (voice), Abner (voice), Big Bob Pataki / Clerk (voice), Big Bob Pataki / Organ Grinder (voice), Big Bob Pataki / Mechanic (voice), Stinky's Father / Stinky's Grandpa (voice), Big Bob Pataki / TV Man (voice), Revis (voice), Big Bob Pataki / Douglas Cain (voice), Big Bob Pataki / Uncle Chuck (voice), Big Bob Pataki / Moderator (voice)
Actor
Ernie Potts (voice), Ernie Potts / Paper Man (voice), Stinky's Father (voice), Ernie Potts / Old Man (voice), Guard / Mr. Feltz (voice)
Actor
Mr. Simmons (voice), Mr. Simmons (voice; uncredited), Mr. Simmons / Dispatcher (voice), Mr. Simmons / Lila's Father (voice), Mr. Simmons / Scientist (voice), Mr. Simmons / Publisher (voice), Mr. Simmons / Houseboy (voice)
Actor
Principal Wartz (voice), Mr. Berman (voice), Principal Wartz / Bad Guy (voice), Principal Wartz / Announcer (voice), Mr. Berman / Bus Driver (voice)