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The Ugly Duckling is a 1959 British science fiction comedy film, directed by Lance Comfort and starring Bernard Bresslaw, Jon Pertwee and Reginald Beckwith. The screenplay was by Sid Colin and Jack Davies. The film is a comic adaptation of Robert Louis Stevenson's 1886 Dr. Jekyll and Mr. Hyde storyline and the opening credits include "with ideas stolen from Robert Louis Stevenson". The film has no connection to the Hans Christian Andersen story. The tagline on posters read "He's a changed man after taking Jekyll's family remedy." Around this time, Hammer announced they were also producing a straight version of the Jekyll-Hyde theme in the near future to be called The Two Faces of Dr. Jekyll.