Reparto principal
Owen Wilson
Lightning McQueen (voice)
Cristela Alonzo
Cruz Ramirez (voice)
Chris Cooper
Norman Osborn (uncredited)
Nathan Fillion
Minnesota Ryan
Larry the Cable Guy
Mater (voice)
Armie Hammer
Jackson Storm (voice)
Ray Magliozzi
Dusty Rust-eze (voice)
Tony Shalhoub
Luigi (voice)
Bonnie Hunt
Dolly (voice)
Lea DeLaria
Miss Fritter (voice)
Kerry Washington
Natalie Certain (voice)
Bob Costas
Bob Cutlass (voice)
Margo Martindale
Louise Nash (voice)
Darrell Waltrip
Darrell Cartrip (voice)
Isiah Whitlock Jr.
River Scott (voice)
Bob Peterson
Additional Voices (voice)
Guido Quaroni
Guido (voice)
Tom Magliozzi
Rusty Rust-eze (voice)
John Ratzenberger
Hamm (voice)
Kyle Petty
Cal Weathers (voice)