Maurice LaMarche
Principal Poncherello Pegone Pixiefrog (100 eps)
Brian Doyle-Murray
Coach Tiffany Gills (100 eps)
Rick Gomez
Windsor Gorilla / Slips Python (100 eps)
Cree Summer
Kerry (100 eps)
Phil LaMarr
Virgil "Bull" Sharkowski (100 eps)
Tom Kenny
Jacob P. "Jake" Spidermonkey / Henry Armadillo (100 eps)
Grey DeLisle
Ingrid Giraffe / Guadalupe "Lupe" Toucan / Mrs. Geraldine Sharon Warthog (100 eps)
Nika Futterman
Adam Lyon / Miss Chameleon (100 eps)
Robert Goulet
Asst. Coach Ferret (voice) (1 eps)
Gilbert Gottfried
Rick Platypus (voice) (1 eps)
Sarah Hagan
Lola (voice) (1 eps)