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