Auto mechanic invents a new-improved carburetor; industrial spies steal his invention, romance with a manufacturer's daughter, and he drives a cross-country race.
Miroslava
Elsa
Luis Aguilar
Luis de la Mora
José Baviera
Don Guillermo Fernández
Alberto Mariscal
Ingeniero Ricardo Rojas
Quintín Bulnes
Chilaquil
Gloria Mange
Coque
Beatriz Saavedra
Esperanza
María Herrero
Amiga de Elsa
Víctor Alcocer
Locutor
Jorge Martínez de Hoyos
Jerónimo
