One thing not mentioned by anyone here is the fact that Christopher Lee regarded the film as his best piece of film work. I find it an interesting piece of work, but rather irritating ... most notable for me some good camera work, particularly the final credits with the sunrise... the rest of it after first watch just made me want to yawn (despite the presence of Edward Woodward in it, which was the main reason for watching it in the first place). Rather a non-story, and now rather dated.