Gerardo Zepeda

A retired US Navy pilot comes to Mexico, where he falls in love with the wife of a powerful businessman. The consequences will be cruel and unforeseen.

A doctor tries to save his son's life through a complicated heart transplant operation, the involuntary donor being a gorilla. Eventually, the young man turns into a violent hybrid beast.

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 ag...