Thomas/Thomas/Sonic Featuring Thomas and Percy

Cast

 * Thomas as Sonic
 * Percy as Tails
 * James as Knuckles
 * Emily as Amy Rose
 * Edward as Antoine
 * Mavis as Bunnie Rabbot
 * Molly as Sally Acorn
 * Duck as Rotor
 * Toby as Uncle Chuck
 * Diesel 10 as Dr. Robotnik/Eggman
 * Bulgy as Snivley
 * Bill as Scratch
 * Ben as Grounder
 * George as Coconuts
 * Sir Topham Hatt as King Acorn
 * Lady Hatt as Queen Acorn
 * Mr. Percival as Mr. Stewart
 * Arthur as Mr. Tanaka
 * BoCo as Ari
 * Harold as Dulcy
 * Terence as Omochao
 * Kevin as Griff
 * Rosie as Cream
 * Toad as Cheese
 * Madge as Sonia
 * Whiff as Manic
 * Elizabeth as Breezie
 * Stepney as Rocket
 * Oliver as Lucas
 * Stanley as Silver
 * Old Slow Coach as Blaze
 * Harvey as Big
 * Thumper as Froggy
 * Arry as Sleet
 * Bert as Dingo
 * Gordon as Vector
 * Miss Jenny as Vanilla
 * Henry as Espio
 * Mighty as Mighty
 * Mac as Ray
 * Billy as Charmy
 * Diesel as Shadow
 * Daisy as Rouge
 * Bertie as Robotnik Jr.
 * Donald as Heavy
 * Douglas as Bomb
 * Splatter as Bocoe
 * Dodge as Decoe
 * Lady as Cosmo
 * Derek as Emerl
 * Duncan as Omega
 * Rusty as Gamma
 * Max as Delta
 * Monty as Epsilon
 * Fergus as Chip
 * Peter Sam as Chris Thorndyke
 * Duke as Chuck Thorndyke
 * Colin as Timothy
 * Sir Handel as Danny
 * Alice as Helen
 * Isobella as Frances
 * Neville as Trevor
 * Smudger as Bokkun
 * The Spiteful Brakevan as Metal Sonic
 * Sixteen as E-100 Alpha/Zero
 * Wilbert as Norman
 * Annie and Clarabel as Lily and her Sister
 * Henrietta as Marine
 * Mrs. Kyndley as Rosie
 * Hiro as Athair
 * Gremlin as Muttski
 * Farmer McColl as Sergeant Doberman
 * The Foreman as Diamond Stadium Owner
 * Rocky as Professor Von Schlemmer
 * Butch as the Excavator Driver
 * Dowager Hatt as Ella
 * Nancy as Sara
 * Alicia Botti as Queen Aleena
 * Flora as Elise
 * Proteus as Lily's Brother
 * Charlie as Kylok
 * Skarloey as Sonic Jr.
 * Rheneas as Chocola
 * Troublesome Trucks as Robots
 * Narrow Gauge Coaches as Chaos
 * Bertram as Ixis Naugus
 * D261 as Professor Gerald Robotnik
 * Victor as Sam Speed
 * Ivo Hugh (from RWS) as Lucky
 * Jack as Cyrus
 * Alfie as Wallace A. Ditso
 * Byron as Torch
 * Nelson as Nelson Thorndyke
 * Ned as Sketch Lampoon
 * Oliver (Pack) as Easy Eddie
 * Buster as Alfred Bulter
 * Patrick as Chef Wolfgang Puke
 * Kelly as Wes Weasley
 * Old Stuck-Up as Beta
 * Lorry 1 as Bean
 * Lorry 2 as Bark
 * Lorry 3 as Zeta
 * The Angry Policeman as Eggman Nega
 * The Small Controller as the President
 * The Barber as Quark
 * The Stationmaster's Wife as Mama Robotnik
 * The Refreshment Lady as Scarlet Garcia
 * The Duke of Boxford as Mantu
 * The Duchess of Boxford as Lindsey Thorndyke
 * Duchess of Hamilton as Shahra
 * Mallard as Erazor Djinn
 * Frank as Eggrobo
 * Mike as Spelunk
 * Isabel as Lucinda
 * Jeremy as Edgar Eagle
 * Bulstrode as Dr. Warpnik
 * Scruffey as Cluck
 * Spamcan as Captain Whisker
 * Neil as Gardon
 * Flying Scotsman as Zonshen
 * TFC's Cat as Chao
 * The Chinese Dragon as Evil Dragon
 * Murdoch as Hawk
 * Hank as McMole
 * Trevor as Robot
 * Cranky as Jerome Wise
 * Caroline as Tikal
 * Freddie as Tikal's Dad
 * 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
 * Hector as Storm