The Simpsons/Shining Time Station

Version 1 (made by BiggestThomasFan)

 * Homer as Mr. Conductor (RS)
 * Lenny as Mr. Conductor (GC)
 * Marge as Stacy
 * Moe as Schemer
 * Ralph as Matt
 * Milhouse as Dan
 * Lisa as Tanya
 * Sherri as Kara
 * Terri as Becky
 * Abe as Harry
 * Principal Skinner as Billy
 * Chief Wiggum as JB King
 * Cletus as Tito
 * Mr. Smithers as Tex
 * Apu as Rex
 * Brandine as Didi
 * Lurleen Lumpkin as Grace the Bass
 * Bart as Schemee
 * Mr. Burns as Mr. Conductor's Evil Twin
 * Nelson as Buster
 * Mayor Quimby as Mayor Flopdinger (They're both mayors)
 * Agnes Skinner as Midge Smoot
 * Mona Simpson as Ginny
 * Carl as Barton Winslow
 * Santa's Little Helper as Ginny's Dog
 * Allison Taylor as Vickie
 * Dr. Hibbert as Tucker
 * Fat Tony as The Furniture Mover
 * Sideshow Bob as The Furniture Mover's Partner
 * Kang and Kodos as Bull and Biff
 * Groundskeeper Willy as Rusty (They both have scottish accents)
 * Yes Guy as Mr. Typo
 * Santa Claus as Mr. Nicholas
 * Ned Flanders as Edmund
 * Troy McClure as Amazo the Great
 * Russ Cargill as Hobart Hume
 * Martin as Prince Michael Mikey
 * Donny (from the episode, The Debarted) as Kit
 * Launne Van Houten as Mr. Conductor's Sister
 * Disney's Robin Hood, The Sword In The Stone, The Fox & The Hound and also characters from Salty's Lighthouse as the Thomas segments
 * Robin Hood as Thomas
 * Allan-A-Dale as Edward
 * Little John as Henry
 * Sir Ector as Gordon
 * Kay as James
 * Skippy as Percy
 * Friar Tuck as Toby
 * Todd as Duck
 * Dicky & Boomer as Donald & Douglas
 * Copper as Oliver
 * SL Sea Rogue as Diesel
 * Mr. Bocco and Mr. Socco (SL Burke & Blair) as Bill & Ben
 * Otto as BoCo
 * Salty as Stepney
 * Riot (L&RF's cat) as Bertie
 * SL Zug as Skarloey
 * SL Zip as Rheneas
 * ZB (SL Zebedee) as Sir Handel
 * SL Zak as Peter Sam
 * Cappy (SL Coast Guard & His Messenger combined) as Rusty
 * SL Zorran as Duncan
 * Paul the Police Boat (L&RF's made-up role for SL Sea Rogue's Uncle) as Duke
 * James (L&RF's goldfish) as Toad
 * The Sheriff of Nottingham as Bulgy
 * Sir Hiss as George
 * Vixey as Caroline
 * The Big Scary Fish as S.C.Ruffey
 * Archamidies as Harold
 * The Wolf Hunters and Rhino Guards as The Troublesome Trucks
 * Sophie and Sadie as Annie and Clarabel
 * Speckles (L&RF's cat) as Henrietta
 * Amous Slad as The Barber

Version 2 (made by ThomasandEmilyLover)

 * Homer as Mr. Conductor (Ringo Starr)
 * Lenny as Mr. Conductor (George Carlin)
 * Marge as Stacy Jones
 * Moe as Schemer
 * Grandpa Abe as Harry Cupper
 * Principal Skinner as Billy Twofeathers
 * Ralph as Matt
 * Lisa as Tanya
 * Milhouse as Dan
 * Sherri/Terri as Kara
 * Allison Taylor as Becky
 * Krusty as Tito
 * Mr. Smithers as Tex
 * Apu as Rex
 * Edna as Didi
 * Lurleen Lumpkin as Grace
 * Mr. Burns as Mr. Conductor's Double
 * Nelson as Buster
 * Bart as Schemee
 * Mayor Quimby as Mayor Flopdinger
 * Agnes Skinner as Midge Smoot
 * Mona Simpson as Ginny
 * Terri/Sherri as Vickie
 * Dr. Hibbert as Tucker
 * Fat Tony and Sideshow Bob as the Evil Workers
 * Freddie Quimby as Hobart Hume the Third
 * Kang and Kodos as Bull and Biff
 * The South Park Characters as Thomas and His Friends