A detective and his cowboy friend team up to stop a mad scientist who is stealing the bodies of murdered wrestlers, and bringing them back to life while electronically replacing their minds with those of animals to make them stronger and live longer. Posing as a successful masked wrestler, the cowboy quickly attracts the attention of the scientist and his henchmen as their next experimental subject...
as Guillermo Santana
as The Mad Scientist, alias Don Panchito
as Capt. Carlos Robles
as Lucía
as Police Chief
as Cosme Ramírez, first henchman
as Second Henchman
as Felipe Dorantes, wrestling promoter
as Rubio, wrestling trainer
as El Lobo negro
as El Tigre
