Cast[]
- Thomas as Sonic the Hedgehog
- Percy as Miles 'Tails' Prower
- Gordon as Knuckles the Echidna
- Rosie as Amy Rose
- James as Antoine
- Molly as Bunnie Rabbot
- Emily as Sally Acorn
- Duck as Rotor the Walrus
- Toby as Uncle Chuck
- Diesel 10 as Dr. Eggman
- Diesel as Snively
- Bill as Scratch
- Ben as Grounder
- Bulgy as Coconuts
- Sir Topham Hatt as King Acorn
- Lady Hatt as Queen Acorn
- Mr. Percival as Mr. Stewart
- Murdoch as Ari the Ram
- Madge as Dulcy
- Arthur as Griff
- Mavis as Cream the Rabbit
- Terence as Cheese
- Isobella as Sonia the Hedgehog
- Whiff as Manic the Hedgehog
- Elizabeth as Breezie
- Stepney as Rocket
- Stanley as Silver the Hedgehog
- Flora as Blaze the Cat
- Henry as Big the Cat
- Toad as Froggy
- Arry as Sleet
- Bert as Dingo
- BoCo as Vector the Crocodile
- Oliver as Espio the Chameleon
- Harvey as Mighty the Armadillo
- Charlie as Ray the Flying Squirrel
- Billy as Charmy Bee
- Edward as Shadow the Hedgehog
- Daisy as Rouge the Bat
- Bertie as Robotnik Jr.
- Donald as Heavy
- Douglas as Bomb
- Splatter as Bocoe
- Dodge as Decoe
- Lady as Cosmo
- Derek as Emerl
- Max as E-103 Delta
- Monty as E-104 Epsilon
- Fergus as Chip
- Skarloey as Christopher Thorndyke
- Duke as Chuck Thorndyke
- Sir Handel as Timothy
- Rheneas as Danny
- George as Bokkun
- The Spiteful Brake Van as Metal Sonic
- Sixteen as E-100 Alpha/Zero
- Henrietta as Rosie
- Troublesome Trucks as Robots
- Narrow Gauge Coaches as Chaos
- D261 as Ixis Naugus
- Buster as Albert Butler
- The Small Controller as President
- Harold as Edgar Eagle
- Bulstrode as Dr. Warpnik
- Caroline as Tikal
- Freddie as Pachacamac
- Salty as Captain Rescue
- The Works Diesel (from the RWS) as Big Griz
- Bear (from the RWS) as Big Mike
- Dennis as Hacker
- Spencer as Jet the Hawk
- Hector as Storm the Albatross