Mark of the Devil

​From Wikipedia, the free encyclopedia.   Val Guest (11 December 1911 – 10 May 2006) was a British film director, best known for his science-fiction films for Hammer Film Productions in the 1950s, but who also enjoyed a long, varied and active career in the film industry from the early 1930s up until the early 1980s. Description above from the Wikipedia article Val Guest  licensed under CC-BY-SA, full list of contributors on Wikipedia.