Frankenstein Island

Frankenstein Island is a 1981 American film starring John Carradine. It was the last movie directed by Jerry Warren and the only one of his lowbudget films made in color.

Discovering that one of the new arrivals is a doctor Robert Clarke, the buxom, whitehaired Sheila quickly brainwashes him into helping her try to save her bedridden 200yearold husband Dr. Von Helsing using the blood of a Poequoting prisoner Cameron Mitchell and the nubile bodies of a local tribe of primitive bikiniclad amazon jungle girls descended from highly advanced aliens who once used the rocky, desolate island as their secret Earth landing site.Meanwhile, the mystic spirit of her ancestor John Carradine hovers ever near, channeling from the Great Beyond all the arcane energies that charge her experiments as he rants about The Power The Power, while his immortal creation, the original Frankenstein Monster, lies trapped underwater at the bottom of a pool hidden in an underground cave, biding its time as it waits for its chance to escape. ........

Source: Wikipedia