Production Luis Enrique Vergara Other Credits Alien Terror Writer 1971 Isle of the Snake People Screenplay 1971 Matrimonio y Sexo Producer 1970 Madame Death Producer 1969 Secret of Death Producer 1969 Super Colt 38 Producer 1969 The Vampire Girls Producer 1969 Mil Máscaras Producer 1969 Los Asesinos Producer 1968 The Shadow of the Bat Writer 1968 Hellish Spiders Writer 1968 Macabre Serenade Producer 1968 Fear Chamber Writer 1968 Noches prohibidas Producer 1968 Infernal Angels Producer 1968 The Empire of Dracula Idea 1967 Retablos de la Guadalupana Producer 1967 Demonios sobre ruedas Producer 1967 Blue Demon vs. the Satanic Power Producer 1966 The Grave Robbers Producer 1966 Agent-readable