The Great Discovery (Casey Jr version)

Cast

 * Casey Jr (The Reluctant Dragon, Kronk's New Groove, and Dumbo) as Thomas # 1 - (Both the main heroes) - Chris Signore
 * Thomas Bandicoot and Emily Bandicoot (Thomas Bash) as Thomas's Driver and Fireman - Chris Burrell and RustyFanatic05
 * Toyland Express (Babes in Toyland) as Edward # 2 - (Casey Jr and Toyland Express are both good friends, just like Thomas and Edward are) - Jake
 * Sonic and Tails (Sonic the Hedgehog) as Edward's Driver and Fireman - Jim522 and Jarrahwhite
 * Rustee Rails (Rustee Rails Rides Again) as Henry # 3 - (Both wise, funny, and clumsy) - The Old Bean
 * Leo and Quincy (Little Einsteins) as Henry's Driver and Fireman - Jarrahwhite and ThomasFan1000
 * Montana (Play Safe) as Gordon # 4 - (Both proud) - Christopher Signore
 * Knuckles and Shadow (Sonic the Hedgehog) as Gordon's Driver and Fireman - Jake and Chris Burrell
 * Harry Hogwarts (Harry Potter 2001 & 2011) as James # 5 - (Both vain, splendid, wise, and kind) - Jim522
 * Popeye and Bluto (Popeye) as James's Driver and Fireman - Chris Signore and Chris Burrell
 * Tootle (Little Golden Book Land) as Percy # 6 - (Casey Jr and Tootle are both best friends, just like Thomas and Percy are) - Tom628
 * Stepney (Stepney Bandicoot) and Little Tim (Play Safe) as Percy's Driver and Fireman - Jake and Jim522
 * Shelbert (The Little Engine That Could "2011 film") as Toby # 7 - (Both wise) - JimBobDunnie
 * James and Henry (Super Thomas Sunshine) as Toby's Driver and Fireman - CPK and Perryton
 * Tilie (The Little Engine That Could) as Emily # 12 - (Casey Jr has a crush on Tillie, just like Thomas has a crush on Emily, because Tillie and Emily are both the main females) - Kate669
 * Pete (The Little Engine That Could) as Arthur # 13 - JimBobDunnie
 * Harvey as Himself - Stuart7
 * Johnson (The Polar Express) as Stanley # 46 - Chris Burrell
 * Tom Jerry (Porky's Railroad) as Skarloey - ELLIOT
 * Rasmus (Steam Train) as Rheneas - Jim522
 * Little Chug as Sir Handel - Chris Signore
 * Choo Choo (Choo Choo) as Peter Sam - TheHalford
 * Dougal Train (Dougal) as Duncan - Ryan
 * Freddie as Himself - Chris Burrell
 * Mighty Mac as Himself - Christopher Signore and ChrisTheXelent
 * Steam Lokey (Paul Bunyan) as Rusty - JimBobDunnie
 * Jack as Himself - Chris Signore
 * Alfie as Himself - Tom628
 * Max and Monty as Themselves - Jake and Ryan
 * Oliver as Himself - ChrisTheXelent
 * Ned as Himself - Jarrahwhite
 * Buster as Himself - Professor Vengeance
 * Susie (Susie the Little Car) as Madge - GotSteam?
 * Pedro (Saludos Amigos) as Harold - Skarloey
 * Cranky as Himself - Chris Burrell
 * Mickey Mouse as Sir Topham Hatt - Chris Signore
 * Minnie Mouse as Lady Hatt - RustyFanatic05
 * Daisy Duck as Miss Jenny - Kate669
 * Croc (Croc 1 and Croc 2) as Mr. Percival - Chris Signore
 * Pufle and Sir Reginald (Steam Train and Madeline) as Bill and Ben - Christopher and OldSquareWheels
 * Tracy (The Little Engine That Could "2011 film") as Molly (Toyland Express has a crush on Tracy, just like Edward has a crush on Molly) - RustyFanatic05
 * Mellisa (Onion Pacific) as Mavis # 24 (Willson has a crush on Mellisa, just like Salty has a crush on Mavis) - Kate669
 * Willson (Chuggington) as Salty # 39 - Stuart7
 * Casey Jr's Coaches and Caboose (Dumbo) (extra) as Annie and Clarabel - Professor Vengeance and RustyFanatic05
 * Rocky as Himself - Jarrahwhite
 * Mater (Cars) as Terence - Dan5589
 * Lightning McQueen (Cars) as Bertie - Chris Signore
 * Hick Chicks (Cars) as Trevor - Sillyevan
 * Jeremy as Himself - Christopher Signore
 * Geopetto (Pinocchio) as The Mayor of Sodor - Chris Signore
 * Georgia (The Little Engine That Could) as Rosie # 15 (Tootle has a crush on Georgia, just like Percy has a crush on Rosie) - RosieFan1995
 * Old Puffer Pete (Chuggington) as Whiff # 38 - TrainLover476
 * Silver Fish (Porky's Railroad) as Diesel - SonicJrandSarah
 * Arry and Bert as Themselves - Ryan and Jake
 * Cerberus (The Little Engine That Could "2011 film") as Diesel 10 - Rusty Red Scrap Iron
 * Dennis as Himself - Jivio
 * George as Himself - Harvey27
 * Susie (Susie The Little Car) as Elizabeth - lillyivers
 * Butch as Himself - tozonline
 * Jack (Babes in Toyland) as Stephen Hatt - Tom628
 * Jill (Babes in Toyland) as Bridget Hatt - Kate669
 * Homer Simpson (The Simpsons) as Jem Cole - tozonline
 * Marge Simpson (The Simpsons) as The Refreshment Lady - lillylivers
 * The Teletubbie Scotsman (The Teletubbies) as Lord Callan - MINIUSMAXIMUS
 * Sodor Brass Band as Themselves - Mulvi747, Goldy344, tozonline, MINIUSMAXIMUS, DarkPaladin111, and DigitalSanity111
 * Krusty the Clown (The Simpsons) as Kuffy the Clown - Agentsaller101
 * Henrietta, Elsie, Victoria, and Flora's Tramcar as Themselves - Kate669, RustyFanatic05, lillylivers, GotSteam?
 * Kelly as Himself - Tom628
 * The Toyland Express's Coaches, Hogwarts Express's Coaches, Farnsworth's Coaches, Sir Reginald's Coaches, The Bahia Train's wagons, and Johnny's Mail Cars (Dumbo, Babes in Toyland, Harry Potter 2001 & 2011, The Little Engine That Could, Matilda, The Brave Engineer and The Three Caballeros) as other coaches
 * The Troublesome Trucks as Themselves - Ryan, Chris, Jake, Blue Pioneer, Jarrahwhite, and Thomas
 * Narrator - Chris Signore

Scenes

 * The Great Discovery (Casey Jr Version) Part 1
 * The Great Discovery (Casey Jr Version) Part 2
 * The Great Discovery (Casey Jr Version) Part 3
 * The Great Discovery (Casey Jr Version) Part 4
 * The Great Discovery (Casey Jr Version) Part 5
 * The Great Discovery (Casey Jr Version) Part 6