Sonic, Tails, Princess Sally, and a band of freedom fighters battle to overthrow Dr. Robotnik, a despotic dictator who conquered their home planet Mobius years ago, and rules it as a polluted industrial dystopia.
| Actor | Role |
|---|---|
 Jaleel WhiteSonic (voice) | Sonic (voice) |
 Kath SoucieSally (voice) | Sally (voice) |
 Bradley PierceTails (voice) | Tails (voice) |
 Jim CummingsRobotnik (voice) | Robotnik (voice) |
 Christine CavanaughBunnie (voice) | Bunnie (voice) |
 Rob PaulsenAntoine (voice) | Antoine (voice) |
 Charlie AdlerSnively (voice) | Snively (voice) |
| CCam BrainardRotor (voice) | Rotor (voice) |
 Cree SummerDulcy (voice) | Dulcy (voice) |