- Greg Heffley as Sonic
- Rowley Jefferson as Tails
- Holly Hills as Amy Rose
- Ariel (from The Little Mermaid) as Sally
- Rodrick Heffley as Antoine
- Rajah (from Aladdin) as Rotor
- Mr. Jefferson as Knuckles
- Ashley (from Alvin and the Chipmunks: The Road Chip) as Rouge
- Frank Heffley as Espio
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