Cast[]
- Yakko Warner as Sonic
- Wakko Warner as Tails
- Hello Nurse as Breezie
- Duke the Squirrel as Robotnik Jr.
- Squit as Lucas
- Rita as Lucinda
- Ralph the Guard as Captain William
- Dr. Otto as Professor Von Schlemmer
- Skippy Squirrel as Rocket
- Runt as Professor Caninestein
- Dot Warner as Catty Carlisle
- Walter Wolf as Dr. Robotnik
- Robot as Pseudo Sonic
- Slappy Squirrel as Katella
- Pinky as Scratch
- Brain as Grounder
- Newt as Coconuts
- Miss Flamiel as Mama Robotnik