Ed Asner as Arthur (voice)

Gordon Bressack as Doctor 1 / Clunker (voice)

James Cullen Bressack as Don Carleone / Smokey Car (voice)

Jessica DiCicco as Rudy Carleone / Nurse / Lady Car (voice)

Aaron Eberhardt as Multiple (voice)

Ellen Gerstell as Mrs. Edsel / Stage Manager / Mother Car / Race Girl / Clunker 1 (voice)

Melissa Joan Hart as Cabigail (voice)

Emily Mae Heller as Multiple (voice)

Maurice LaMarche as Chief / Ferryman / Tough Old Car (voice)

Phil LaMarr as Fred Copcar / Speedy Fireball / Demolition Derby Announcer (voice)

Jason Mewes as Vin (voice)

Haley Joel Osment as Danny (voice)

Brandon Taylor as Multiple (voice)

Dylan Vox as Monster Truck / Hood 2 / Clunker 2 / Doctor 2 (voice)

Porsha Williams as Carlotta (voice)

Stephen Kramer Glickman as