Thomas (Thomas/Garfield)[]
- Thomas as Garfield
- Percy as Odie
- Lady as Arlene
- Rebecca (from TTMA) as Penelope Pussycat
- Bertie as Orson
- Eddie (from TTMA) as Lyman
- Patrick as Binky the Clown
- Hamilton (from TTMS) as Nermal
- The Barber as Herman Post
- Gremlin as The Dog
- Bash and Dash as Booker and Sheldon
- Ferdinand as Wade
- Den as Harry
- Bertram as Sir Roland
- Barry (from T&F/TMS) as Happy Chapman
- Sir Topham Hatt as Jon Arbuckle
- Lady Hatt as Liz Arbuckle
Toad is Home Alone (Thomas/Home Alone)[]
- Toad as Kevin
- Rusty as Old Man Marley
- Molly (from T&F/TMS) as Molly
- Alaric (from RWS) as Alex
- Diesel 10 as Peter Beaupre
- Duncan as Unger
- Nelson as Buzz
- Gronk (from BRWS) as Doris
- Mr. Percival as Peter McCalliaster
- Mrs. Percival as Kate McCalliaster
- Iron Bill and Iron Ben as Harry and Marv
- Eilonwy the Beautiful Engine as Alice
- Taran the Tank Engine as Mr. Jerrnigan
Queen Elizabeth (Thomas/Anastasia)[]
- Queen Elizabeth (from TTMA) as Anastasia
- Butch as Dimitri
- Thumper as Vladimir
- Engine Blower #5 (from Sodor Dark Times) as Rasputin
- Ivo Hugh as Bartok
- Allen (from BRWS) as Revolutionary Soldier
- Stephen (from BRWS) as Anastasia's Father
- Talyllan (from RWS) as Train
- Zack #13 as Traveling Man
- Charlie the Brakvan as Marjordomo
- Ray the Diesel as Pooka
Sodor Age (Thomas/Ice Age)[]
- BoCo as Manny
- Nigel (from T&F/TMS) as Sid
- Douglas as Dieago
- Daisy as Ellie
- Ivan (from greasemonkeydb1) as Scrat
- Suzy (from greasemonkeydb1) as Scratte
- Terence as Roshan
- Rosie as Momma Dino
- Normandy (from TTMA) as Crash
- Fenchurch (from TTMA) as Eddie
- Sidney (from T&F/TMS) as Buck
- Andy Diesel (from Mad Bomber) as Soto
- The Horrid Lorries as Lenny, Oscar and Zeke
- Trisia (from greasemonkeydb1) as Peaches
- Laura (from T&F/TMS) as Shira
- Bruce (from greasemonkeydb1) as Julian
- Diesel 11 as Gutt
- Max and Monty as Cretaceous and Mealstorm
- Zicky #14 as Sid's Grandmother
- Tamlin the Magic Engine as Ethan
Sodor Wars (Thomas/Star Wars)[]
- Oliver as Luke Skywalker
- Sigrid of Arlesdale as Princess Leia
- Wilbert as C-3PO
- Hugh (from Sodor Railways) as R2D2
- Diesel as Darth Vader
- Daniel (from Sodor Railways) as Grand Moff Tarkin
- Troublesome Trucks as Stormtroppers
- The Green Trucks as Ewoks
- Smudger as Emperor Palpatine
Billy (Thomas/Heathcliff)[]
- Billy as Heathcliff
- Fergus as Riff Raff
- Harvey as Marmaduke
- Charles Dickens (from TTMA) as Fish Market Owner
The Enginesons (Thomas/The Simpsons)[]
- Gordon as Homer Simpson
- Heather as Marge Simpson
- Willy (from T&F/TMS) as Bart Simpson
- Colin as Ned Flanders
- Charlie as Milhouse Van Houten
- Noel (from Mad Bomber) as Lenny
- Reginald (from AOS) as Carl
- Alfred (from Sodor Dark Times) as Mr. Burns
- Cecil (from Sodor Dark Times) as Mr. Smithers
Family Engine (Thomas/Family Guy)[]
- Henry as Peter Griffin
- Elizabeth as Lois Griffin
- Stanley the American Tank Engine (from Sodor Railways) as Chris Griffin
- Donald as Brian Griffin
- Dr. Beeching (from T&F/TMS) as Stewie Griffin
- Eagle (from RWS) as Glenn Quagmire
- Iron Duke (from RWS) as Cleveland Brown
- Green Arrow (from RWS) as Joe Swanson
- Duchess of Hamilton (from RWS) as Bonnie Swanson
- Sixteen (from RWS) as Carter Pewterschmidt
- 31120 (from RWS) as Mort Goldman
- Lord Harry (from RWS) as Ernie the Giant Chicken
- The Spiteful Breakvan as Bertram
American Crane! (Thomas/American Dad!)[]
- Alex (from T&F/TMS) as Stan
- Emily as Francine
- Skarloey as Steve
- Rheneas as Roger
- Aphrodite the Beautiful Engine as Hayley
- The Stationmaster's Wife as Christie White
- Boulder as Hot Tub
- The Big City Engine (from RWS) as Chuck White
- 87546/Evan (from RWS) as Randy
- P.T. Boomer as Santa Claus
- Tyler (from TheBlueE2) as Avery Bullock
- Mike (from RWS) as Klaus
- Ned as Barry
- Henders (from T&F/TMS) as Snot
- Kevin as Jeff
- Dan and Dimbo (made up tender engines) as Stelio Kontos and Luis Ramirez
Alfie and The Pagmaster (Thomas/The Pagemaster)[]
- Alfie as Richard Tyler
- Toby as The Pagemaster
- Bulgy as Mr. Hyde
- Rocky as Captain Ahab
- Bertie's Driver as Mr. Dewey
- Scruff as Dr. Jekyll
Engine A.E. (Thomas/Titan A.E.)[]
- Edward as Cale Tucker
- Bev (from T&F/TMS) as Akima
- Rex (from RWS) as Tek
- Michael the Double Tender Engine as Sam Tucker
- Jeremy as Gune
- D261 as the Dreji Queen
- Paxton and Norman as Korso and Preed
Sodorama (Thomas/Futurama)[]
- Jerry (from T&F/TMS) as Fry
- Ben (GWR) (from TTMA) as Kif Kroker
- Lorna (from T&F/TMS) as Hermes
- James as Bender
- Buster as Scruffy
- Victor as Dr. Zoidberg
- Jonathon (from TTMA) as Nibbler
- Helen (from Mad Bomber) as Leela
- Earl (from Mad Bomber) as Zapp Brannigan
- Duke as Professor Farnsworth
Bill and the Engines (Thomas/Alvin and the Chipmunks)[]
- Bill as Alvin
- Ben as Theodore
- Dingo (from T&F/TMS) as Simon
- George as Ian Hawke
- Hercules (from TUGS) as Dave Seville
- Troublesome Trucks as Security Guards
King of the Railway (Thomas/King of the Hill)[]
- Duck as Hank Hill
- Molly as Peggy Hill
- Dart as Bobby Hill
- Old Slow Coach as Nancy Gribble
- Smokey Joe (from TheBlueE2) as Kahn Sourphanousinphone
- Taro (from TTMA) as Clark Peters
- Angus (from TTMA) as Cotton Hill
- Rick as Jimmy Whichard
- Bob (from Mad Bomber) as Jeff Boomhauer
- Bear (from RWS) as Bill Dauterive
- Albert (from RWS) as Dale Gribble
- Bluebell (from RWS) as Luanne Platter
- Primrose (from RWS) as Didi Hill
- Jem Cole as Principal Carl Mosses
- The Mayor of Sodor as Buck Strickland
- Troublesome Trucks as Witches of East Arlen