| Name | Character | Episodes |
|---|---|---|
| Roger Craig Smith | Sonic (voice) | 9 |
| Colleen O'Shaughnessey | Tails (voice) | 9 |
| Cindy Robinson | Amy (voice) | 4 |
| Dave B. Mitchell | Knuckles (voice) | 4 |
| Kirk Thornton | Shadow (voice) | 3 |
| Mike Pollock | Eggman (voice) | 3 |
| Karen Strassman | Rouge (voice) | 2 |
| Kirk Thornton | Orbot (voice) | 2 |
| Roger Craig Smith | E-123 Omega (voice) | 1 |