The Adventures of Jimmy Neutron: Boy Genius

Debi Derryberry

Jimmy Neutron (voice)

Jeffrey Garcia

Sheen Estevez (voice)

Rob Paulsen

Carl Wheezer (voice)

James Sie

You Yee / Elderly Monk / Ninja (voice)

Peter Frampton

Hugh Neutron (singing voice)

Ming-Na Wen

Peggy Tsu (voice)

Tom Kane

Dean Cain (voice)

Wendie Malick

Beautiful Gorgeous (voice)

Christian Slater

Jet Fusion (voice)

Jim Meskimen

Quentin Smithee (voice)

Michael Clarke Duncan

Commander Baker (voice)

Ben Stein

Giggles the Clown (voice)

Mel Brooks

Santa Claus (voice)

Phyllis Diller

Granny Neutron (voice)

Neil Ross

Announcer (voice)

Grey DeLisle

Sally (voice), Mombot (voice), Elke (voice)

John Kassir

Seymour / Student #3 (voice)

Tress MacNeille

Annabelle / Aunt Kari / Great Aunt Amanda (voice)

Bill Farmer

Buford / Reporter (voice)

Corey Burton

Rayburn (voice), Head Monk (voice), Dr. Dark / Pizza Monster (voice), Spamdini (voice)

Maurice LaMarche

Goddard Digital Voice (voice), Zix / Ticket Taker (voice), Zix / Tee / Reporter (voice)

Michael Hagiwara

Master Hong / Ninja (voice), Japanese Announcer (voice)

Joe Lala

Mr. Estevez (voice)

Charlie Adler

Junkman (voice)

Jim Cummings

Popbot / Gortox / Goddard Speaking (voice), Mayor (voice), Ultra Lord (voice), Martian #3 (voice), Atila (voice), Captain Betty / Mayor (voice), Mayor / Dog (voice)

Jeff Bennett

Dr. Moist / Announcer (voice), Positive Jimmy / Negative Jimmy / Macho Jimmy (voice), Travoltron / Newscaster / Salesman (voice), Travoltron/Barbarino (voice)

Tom Kenny

Nanobot #2 (voice), WL3000 (voice), Max / Wilderman / Mr. Moodini (voice), Copbot / Interviewer (voice)

Billy West

Sam Melnick / Blix (voice), Corky Shimatzu / Larry Llama (voice), Sam Melnick / Lance (voice), Corky Shimatzu (voice), Sam Melnick / Corky Shimatzu / Kid (voice), Sam Melnick / Lou / Reporter (voice), Blix (voice), Sam Melnick (voice), Sam Melnick / Corky Shimatzu (voice), Sam Melnick / Man (voice), TV Newscaster / Lucky Joe (voice), Sam Melnick / Pilot (voice), Sam Melnick / Corky Shimatzu / Lars (voice)

Daran Norris

Nanobot #1 (voice), Nanobot #1 / Baby Quackers (voice)

Kath Soucie

Betty Quinlan (voice)

Candi Milo

Nick Dean / Germy (voice), Female Fish (voice), Nick Dean / Amber (voice), Nick Dean (voice), Nick Dean / Britney (voice), Nick Dean / Terry (voice), Nick Dean / Phantom #1 (voice), Britney (voice), Nick Dean / Ignishka (voice)

Jim Belushi

Coach Gruber (voice)

Kevin Michael Richardson

Tremendous Jackson (voice), Tee (voice)

Phil LaMarr

Bolbi / Toy Executive (voice), Bolbi / Pitz / Teenager (voice), Bolbi (voice), Bolbi / TV Announcer (voice)

Megan Cavanagh

Judy Neutron / Mrs. Vortex (voice), Judy Neutron / Phantom #3 (voice), Mrs. Vortex / Vox (voice), Vox (voice), Judy Neutron / Crowd Member #2 (voice), Judy Neutron / Mrs. Moran (voice), Judy Neutron / Mrs. Pizza Monster (voice), Judy Neutron (voice), Judy Neutron / Woman (voice), Martian #2 (voice), Judy Neutron / Hilgo (voice), Judy Neutron / Masseuse / MaternoTron (voice), Judy Neutron / Lunch Lady (voice), Judy Neutron / Mrs. Vortex / Aunt Suzy (voice), Judy Neutron / Vox (voice), Judy Neutron / Gretchen (voice), Judy Neutron / Old Lady Nusbaum (voice), Judy Neutron / Girl (voice)

Paul Greenberg

Brobot / Man on TV (voice), Brobot (voice)

Mark DeCarlo

Hugh Neutron (voice), Hugh Neutron / Commercial Narrator (voice), Hugh Neutron / Man (voice), Hugh Neutron / Flippy (voice), Hugh Neutron / Announcer (voice), Hugh Neutron / Eddie / Newt / Gomer (voice), Hugh Neutron / Clerk (voice), Hugh Neutron / General / Alien Man / Emergency System / Gleason Like Creature (voice), Hugh Neutron / Jenson / Skeezicks (voice), Hugh Neutron / Octopus Man (voice), Hugh Neutron / TV Announcer (voice), Hugh Neutron / Instructor (voice), Hugh Neutron / Mr. Vortex (voice)

Andrea Martin

Ms. Fowl / Lady (voice), Ms. Fowl (voice)

Crystal Scales

Libby Folfax / Chuck (voice), Libby Folfax / Maggie (voice), Libby Folfax / Chicks (voice), Libby Folfax (voice), Libby Folfax / Student #2 (voice), Libby Folfax / Libby's Brother (voice), Libby Folfax / Ozzie (voice), Libby Folfax / Ike (voice), Libby Folfax / Libby's Mom (voice), Libby Folfax / Phantom #2 (voice)

Frank Welker

Goddard / Tubbs / Father / Special Vocal Effects (voice), Special Vocal Effects (voice), Tubbs / Special Vocal Effects (voice), Goddard / Mr. Strych / Special Vocal Effects (voice), Goddard / Phantom #4 / Special Vocal Effects (voice), Goddard / Second Guard / Special Vocal Effects (voice), Goddard / Mr. Wuggles / Special Vocal Effects (voice), Goddard / Tubbs / Health Inspector / Special Vocal Effects (voice), Goddard / Tubbs / Special Vocal Effects (voice), Goddard / Special Vocal Effects (voice), Goddard / Wendel / Special Vocal Effects (voice)

Tim Curry

Professor Calamitous (voice)

Edie McClurg

Grandma Taters (voice)

Carolyn Lawrence

Cindy Vortex (voice), Cindy Vortex / Phantom #2 (voice), Cindy Vortex / Yuri (voice), Cindy Vortex / Tina Sue (voice)