Neutron, a wrestler/superhero, investigates a series of murders at a sanitarium.
Wolf Ruvinskis
Gina Romand
Rodolfo Landa
Jesús Salinas
José Gálvez
Rita Macedo
Rubén Rojo
Alberto Mariscal
Graciela Lara
Nathanael León
Guillermo Orea
Antonio Raxel
Guillermo Hernández
Julián de Meriche