Alan C. Lim
Cory Carson (voice)

Maisie Benson
Chrissy Carson (voice)

Kerry Gudjohnsen
Mama Carson (voice)

Paul Killam
Papa Carson (voice)

Terrance Smith
DJ Train Trax (voice)

Omari Weaver
Loose Caboose (voice)

Ella Joy Ballesteros
Frannie Fenderson (voice)

Smith Foreman
Freddie Firetruck (voice)

Ann Kendrick
Dr. Ethyl Wiperglass (voice)

Neena-Sinaii Simpo
Kimmy O'Tool (voice)

Eli Morse
Timmy O'Tool (voice)

Nathaniel Andalis
Mr. O'Tool (voice)

Paden Andrews
Clutch Bro #1 / Clutch Bro #2 (voice)

Bob Barnes
Mr. Coaltrain (voice)

Adelaide Hirasaki
Halle Copter (voice)

John Crosthwaite
Police Chief (voice)

Jimmy Olea
Carlos (voice)

Lina Del Roble
Carmina (voice)

Henry Ward
Fan Boy (voice)

Jaima Lee
Eileen Ice Cream Truck (voice)