Sparky, the little red sports car, must use his best detective skills when strange accidents occur in El Coche.
| Actor | Role |
|---|---|
 Corinne OrrSparky / Gracie (voice) | Sparky / Gracie (voice) |
 Sean SchemmelFender / Pinion (voice) | Fender / Pinion (voice) |
| DDave M. SneedAxle / Tow (voice) | Axle / Tow (voice) |
| JJean RichardsGearbox / Diesel (voice) | Gearbox / Diesel (voice) |
| SSusan HaightLugnut / Bumper / Speedy (voice) | Lugnut / Bumper / Speedy (voice) |
| JJim WoodsBanx / Clutch / Norbet / Walter / Zipper (voice) | Banx / Clutch / Norbet / Walter / Zipper (voice) |