Sonic's arch nemesis Dr. Robotnik has been banished from the Land of Darkness by an evil Metal Robotnik. The devious doctor tells Sonic that the Robot Generator has been sabotaged and will blow Planet Freedom to kingdom come. But it's not until the President's beautiful daughter Sara turns on the charm that Sonic springs into action.
| Actor | Role |
|---|---|
 Masami KikuchiSonic the Hedgehog / Metal Sonic (voice) | Sonic the Hedgehog / Metal Sonic (voice) |
 Hekiru ShiinaMiles "Tails" Prower (voice) | Miles "Tails" Prower (voice) |
 Junpei TakiguchiDr. Eggman/Robotnik (voice) | Dr. Eggman/Robotnik (voice) |
 Yasunori MatsumotoKnuckles the Echidna (voice) | Knuckles the Echidna (voice) |
 Mika KanaiSara (voice) | Sara (voice) |
 ChafurinOld Man Owl (voice) | Old Man Owl (voice) |
 Yuzuru FujimotoPresident (voice) | President (voice) |
 Akimitsu TakasePresident's Aide (voice) | President's Aide (voice) |