Sid / Guard / Evil Moustache Cabal (voice) (as Jeff Glenn Bennett)
General Smith / Driver / Mastermind (voice)
Quincy Magoo (voice)
Oli-Gatory / Orangu-Tammy (voice)
Tan Gu (voice)
Leslie Destructo / Agent L / Dutch Boy (voice)
Dr. Malicio / Soldier (voice)
Corporal Hayes / Biker (voice) (as Ryan Matthew)
Kenny Mayne (voice)
Gor-Illiana / McBarker / Sid's Mom (voice)
Cole Fusion / Ninja (voice)
Brad Landry (voice)
Justin Magoo (voice)
Weas-Elizabeth / Girl with Phone (voice)
Lorelei Tan Gu (voice)
General Bonkopp / Movie Announcer / Voice on Radio (voice)
Various Characters (voice)
Various characters (voice) (as Robert Tinkler)