Dee Bradley Baker
Numbuh 4 - Wally Beatles / Mr. Fibb / Toilenator / Joaquin / Tommy Gilligan / Delightful Children from Down the Lane / Additional Voices
Ben Diskin
Numbuh 1 - Nigel Uno / Numbuh 2 - Hoagie P. Gilligan Jr. / Numbuh 101 - Matthew / Delightful Children from Down the Lane
Cree Summer
Numbuh 5 - Abigail 'Abby' Lincoln / Cree Lincoln / Delightful Children from Down the Lane
Lauren Tom
Numbuh 3 - Kuki Sanban
Ogie Banks
Sector Z Numbuh 0.1 - Bruce
Jeff Bennett
Mr. Boss / Mr. Fizz / Benedict Wigglestein
Cam Clarke
Additional Voices
Grey Griffin
Crazy Old Cat Lady / Gramma Stuffum
Jennifer Hale
Numbuh 86 - Francine 'Fanny' Fulbright / Numbuh 363 - Harvey McKenzie / Computer
Janice Kawaye
Numbuh 83 - Sonya / Numbuh 84 - Lee
Tom Kenny
Knightbrace / Chester / Mr. Wink / Sector Z Numbuh 0.2 - David / Additional Voices
Matt Levin
Numbuh 60 - Patton Drilovsky
Rachael MacFarlane
Numbuh 362 - Rachael T. McKenzie / Sector Z Numbuh 0.3 - Ashley
Candi Milo
Additional Voices
Daran Norris
Count Spankulot / Janitor
Dave Wittenberg
Numbuh Zero / Sector Z Numbuh 0.4 - Lenny
US release: 11th August 2006
United States release: 11th August 2006
Argentina release: 21st August 2007
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