Slip has entered the Boys' rattletrap car in a souped-up jalopy race, but has no chance of winning until Satch, with the aid of a scientist acquaintance, comes up with a chemical concoction that acts as a super-fuel; but a rival entrant in the race learns of this and tries to get the formula for himself.
as Terrence Aloysius 'Slip' Mahoney
as Horace Debussy 'Satch' Jones
as Skid Wilson
as Bobbie Lane
as The Professor
as Louie Dumbrowsky
as Chuck
as Butch
as Tony, the driver
as Red, the mechanic
as Race Announcer
as Party Brunet, dancing with Slip