Aliens, contacting scientist Adam Penner, inform him that they have been on the moon for twenty thousand years, undetected due to their invisibility, and have now decided to annihilate humanity unless all the nations of earth surrender immediately. Sequestered in an impregnable laboratory trying to find the aliens' weakness, Penner, his daughter, a no-nonsense army major and a squeamish scientist are attacked from outside by the aliens, who have occupied the bodies of the recently deceased. Written by
Doug Sederberg <email@example.com>
An unearthly enemy defying modern science in a war to the death!
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Did You Know?
The decision to make the aliens invisible was more than a simple plot point. Producer Robert E. Kent
insisted that the alien invaders remain unseen in a cost-saving measure. Without costly special effects, extras, and additional sets, the producer's decision helped to balance the film's otherwise severe lack of funds. See more
When the corpse in the chamber falls, the chair is right by his head, but when the alien moves the chair to the microphone, the chair is almost across the room. See more
I thought you weren't going to make it.
Maj. Bruce Jay
We almost did.
In the film, John Carradine's character is named Dr. Karol Noymann. In the ending cast list, his character is listed as "Carl Noymann." See more