An American reporter in Japan is sent to interview an eccentric Japanese scientist working on bizarre experiments in his mountain laboratory. When the doctor realizes that the hapless correspondent is the perfect subject for his next experiment, he drugs the unfortunate man and injects him with a serum that gradually transforms him into a hideous, two-headed monster.
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Did You Know?
This was an American production filmed in Japan using a mostly Japanese crew and a number of Japanese actors. It was shot in English. The film had various working titles, including "Nightmare" and "The Two-Headed Monster". See more
Misspelled word in opening credits. "From an original story..." reads "From an ORIGNAL story..." See more