Red and Carraucho, after escaping from jail, reach the border to Mexico and are hired by Morgan, a rich silvermine owner. Disgusted by the latter's cruelty, especially against the local peones, the two support a revolt organized with the aid of Mrs. Vivian, wife of the ruthless tyrant.

Robert Woods
as Morgan

Fernando Sancho
as Carrancho

Luis Dávila
as Red El Rayo

Renato Baldini
as Grieves

Loredana Nusciak
as Viviane Barrett

Gérard Tichy
as Hargitay

Antonio Molino Rojo
as Matt

Óscar Carreras
as

Francisco Sanz
as Minero

José Manuel Martín
as Esteban