Landru, a French businessman, arrives Mexico with the idea of promoting their fighters, what nobody knows is that besides Landru promoter and fighter is a mad scientist who seeks to alter human genetics mixing it with the animal to make stronger and fiercer to their gladiators.
Pancho
Margarita
Huracán Ramírez
Professor Landru
Pichi
Himself
(as José Luis Carol)
(as Nemorio Callejas)
(as Enriqueta Carrasco)
Narrator (as El Mago Septien)
Ring Announcer (as Pícoro)
Referee
Huracán Ramírez
