James Coburn is quite effective in this action thriller. He is "Prof. Elliot", about to become a high ranking government advisor. Snag is, he has quite a past - and so must devise a cunning plan to ensure that all those privy to his dirty laundry are eliminated. The plot utilises quite a clever domino-style effect. Those doing the killing don't know who is instructing them, nor that they won't last much longer themselves, and the pace from director Ken Hughes is well managed eliciting a good effort from both Coburn and from the usually reliable Keenan Wynn ("Farnsworth"). What makes this…