A mad scientist terrorizes a city by kidnapping young women with his ape-man Gomar and then using them as subjects in sadistic brain transplant experiments. A female wrestler whose sister was one of the victims swears vengeance against the Mad … Lorena Velázquez, Armando Silvestre, Elizabeth Campbell, Roberto Cañedo, Sonia Infante, Jesús Salinas, Jesús "Murciélago" Velázquez Added on Amazon Prime 2023-02-07.