| AAlan C. LimCory Carson (voice) | Cory Carson (voice) |
| MMaisie BensonChrissy Carson (voice) | Chrissy Carson (voice) |
| KKerry GudjohnsenMama Carson (voice) | Mama Carson (voice) |
| PPaul KillamPapa Carson (voice) | Papa Carson (voice) |
| TTerrance SmithDJ Train Trax (voice) | DJ Train Trax (voice) |
| OOmari WeaverLoose Caboose (voice) | Loose Caboose (voice) |
| EElla Joy BallesterosFrannie Fenderson (voice) | Frannie Fenderson (voice) |
| SSmith ForemanFreddie Firetruck (voice) | Freddie Firetruck (voice) |
| SStanley MooreJanitor (voice) | Janitor (voice) |
| TTyler HendrixPhil The Accountant (voice) | Phil The Accountant (voice) |
| AAnn KendrickDr. Ethyl Wiperglass (voice) | Dr. Ethyl Wiperglass (voice) |
| NNeena-Sinaii SimpoKimmy O'Tool (voice) | Kimmy O'Tool (voice) |
| EEli MorseTimmy O'Tool (voice) | Timmy O'Tool (voice) |
 Kim DonovanMrs. O'Tool / Sheryl Steamroller (voice) | Mrs. O'Tool / Sheryl Steamroller (voice) |
| NNathaniel AndalisMr. O'Tool (voice) | Mr. O'Tool (voice) |
| PPaden AndrewsClutch Bro #1 / Clutch Bro #2 (voice) | Clutch Bro #1 / Clutch Bro #2 (voice) |
| BBob BarnesMr. Coaltrain (voice) | Mr. Coaltrain (voice) |
| AAlexander WooMr. Coaltrain's Caboose (voice) | Mr. Coaltrain's Caboose (voice) |
| AAdelaide HirasakiHalle Copter (voice) | Halle Copter (voice) |
 Jim CapobiancoGary Garbage (voice) | Gary Garbage (voice) |
 John CrosthwaitePolice Chief (voice) | Police Chief (voice) |
| AAnna ChambersCarolyn Firetruck (voice) | Carolyn Firetruck (voice) |
| JJimmy OleaCarlos (voice) | Carlos (voice) |
| LLina Del RobleCarmina (voice) | Carmina (voice) |
| HHenry WardFan Boy (voice) | Fan Boy (voice) |
| JJaima LeeEileen Ice Cream Truck (voice) | Eileen Ice Cream Truck (voice) |
| John CrosthwaiteAdditional Voices | Additional Voices |
| LLorelai HirasakiAdditional Voices | Additional Voices |
| AAlec NewtonAdditional Voices | Additional Voices |
| YYosiat GimbernardAdditional Voices | Additional Voices |
