The Human Duplicators is a low-budget film released in 1965 by independent company Woolner Brothers Pictures Inc. The plot involves a giant alien named Dr. Kolos (Richard Kiel) who is dispatched to Earth from a faraway galaxy on orders to create android doppelgängers by employing the scientific services of hypnotized cyberneticist Prof. Vaughn Dornheimer (George Macready). For the Mystery Science Theater 3000 episode see here.