Cast
- Ralphie as Thomas
- Peter McCallister (from Home Alone) as Henry
- The Old Man as Gordon
- Buzz McCallister (from Home Alone) as James
- Schwartz as Percy
- Lampie (from Pete's Dragon) as Toby
- Andrew (from Mary Poppins) as Bertie
- Budgie (from Budgie the Little Helicopter) as Harold
- Kara (from Shining Time Station) as Lady
- The Grinch (from How the Grinch Stole Christmas) as Diesel 10
- Burton & Earl (from Home Alone) as Splatter & Dodge
- Didi & Grace (from Shining Time Station) as Annie & Clarabel
- Emelius Brown (from Bedknobs & Broomsticks) as Sir Topham Hatt (not seen)
The Garfield and Friends Characters as The Shining Time Station Cast
- Orson as Mr. Conductor
- Roy as Mr. C Junior
- Plato as Burnett Stone
- Cloe as Lily
- Bo as Patch
- Lanolin as Stacy Jones
- Garfield as Billy Twofeathers
Director's Cut Characters
- Grover Dill as George
- Big Mickey (from TUGS) as Cranky
- The Weasel as PT Boomer