boring, but it did find the villains of the movie of interest. Leonard Maltin gave the movie two of four stars, liking the premise of the movie, but finding the acting and the crab effects lacking. References Bibliography Warren, Bill. Keep Watching the Skies! American Science Fiction Movies of the Fifties, 21st Century Edition. Jefferson, North Carolina: McFarland & Company, 2009 (First Edition 1982). . External links 1953 films American science fiction adventure films 1950s science fiction adventure films Films scored by Albert Glasser American black-and-white films RKO Pictures films Films produced by Aubrey Wisberg Films set in Jamaica Port Royal Films with screenplays by Aubrey Wisberg 1950s English-language films Films directed by Harold Daniels 1950s American films