Thomas/Alice in Wonderland

Version 1

 * Emily as Alice
 * Mavis as Alice's Sister
 * Henry as Mad Hatter
 * Edward as Caterpillar
 * Smudger as Cheshire Cat
 * James as March Hare
 * Daisy as Queen of Hearts
 * Bill and Ben as Tweedledum and Tweedledee
 * Pegasus the Cart Horse as Dinah
 * Duck as Carpenter
 * Toby as White Rabbit
 * Trucks as Cards
 * Hector as King of Hearts
 * Thomas as Mickey Mouse (cameo)
 * Henry as Goofy (cameo)
 * Donald/Douglas as Donald (cameo)
 * Annie as Bird on The Tree
 * Caroline as Mother Oyster
 * Melting Metal as The Curious Oysters
 * Sir Topham Hatt as The Dodo
 * Skarloey as Doorknob
 * Mail Cars as The Dodo's Friends
 * Coaches as The Flowers
 * Elizabeth as The Rose
 * Percy as Bill The Lizard
 * Sodor Zoo's Animals as Tulgey Wood Creatures
 * Diesel 10 as Jabberwocky (Deleted Scene)
 * Other Engines as Absent Characters that don't appear in the film and only in DVD

Voice Cast:
 * Kathryn Beaumont - Emily
 * Heather Angel - Mavis
 * Ed Wynn - Henry
 * Richard Haydn - Edward
 * Sterling Holloway - Smudger
 * Jerry Colonna - James
 * Verna Felton - Daisy
 * J. Pat O'Malley - Bill, Ben, Gordon and Duck
 * Bill Thompson - Toby
 * Dink Trout - Hector

Version 2

 * Lady as Alice
 * Molly as Alice's Sister
 * Edward as Mad Hatter
 * Duck as Caterpiller
 * Bulstrode as Cheshire Cat (Peter Sam can't be Cheshire Cat because Peter Sam is good and Cheshire Cat is bad)
 * James as March Hare
 * Diesel 10 as Queen of Hearts
 * Donald and Douglas as Tweedledum and Tweedledee
 * Henry as Walrus
 * Gordon as Carpenter
 * Bertie as White Rabbit
 * Troublesome Truck as Cards
 * Diesel as King of Hearts
 * Thomas as Mickey Mouse (Cameo)
 * Percy as Donald Duck (cameo)
 * Henry as Goofy (cameo)

Version 3

 * Thomas as Alice
 * Mavis as Alice's Sister
 * Bertie as Dinah
 * Emily as Mad Hatter
 * Edward as Caterpiller
 * Scruffey as Cheshire Cat
 * James as March Hare
 * Diesel 10 as Queen of Hearts
 * Bill and Ben as Tweedledum and Tweedledee
 * Gordon as Walrus
 * Oliver as Carpenter
 * Toby as White Rabbit
 * Truck as Cards
 * Daisy as King of Hearts
 * Duck as Mickey Mouse (Cameo)
 * Percy as Donald Duck (Cameo)
 * Henry as Goofy (cameo)