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A voice-over narration, spoken by Robert Clarke as his character "Lawrence," is heard at the beginning and close of the film. Producers Aubrey Wisberg and Jack Pollexfen established a new independent production company, Mid-Century Film Productions, to produce The Man from Planet X, the company's first picture. According to a modern source, the film was shot on sets used for the 1948 RKO production of Joan of Arc at Hal Roach Studios. Modern sources also note that the alien was played by dwarf actor Billy Curtis.