• 11 years ago
The Martians intend to invade Earth, but cannot strike until they possess the plans for inventor Cyrus Layton's (James Craven) long-range "jet plane" spaceship. The advance scout for the invasion is a strangely garbed being called the Purple Monster (Roy Barcroft), who can take over the identity of any earth man. If Layton's niece Sheila (Linda Sterling) and criminologist Craig Foster (Dennis Moore) fail to stop the threat of the Purple Monster, it's the end of the human race! (1945 - Republic Pictures)

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