The Devil's Daffodil (also known as Daffodil Killer or / Secret of the Yellow Daffodils) is a 1961 British-West German black-and-white crime film directed by Ákos Ráthonyi. The film was produced in an English and a German version, starring different actors in the lead roles but otherwise featuring an almost identical cast and crew. It starred William Lucas in the English version and Joachim Fuchsberger in the German one. imdb.com