Frankenstein Meets the Spacemonster (1965)

Revealing mistake: During practically every scene with Dr. Nadir, the prosthetics to make his cranium look more 'alien' are visible. In particular, when the Queen realises he's been shooting down spaceships and not missiles and calls him a 'fool', at the back of the neck the line where the concealing make-up ends is evident. Throughout the rest of the movie the other Martians have similar if not even more obvious bald caps. (00:17:45)

Sammo

Princess Marcuzan: We have won the war, but we have no women. We have come here to this plaent for one purpose only: to acquire breeding stock to repopulate our planet.