This film has George C. Scott doing some fine, fine acting. Diana Rigg, while beautiful, not so much. But then her character is written as sort of "out there" so maybe it's me, not her. Scott's sometimes ranting, sometimes musing, sometimes defeated, sometimes angst-ridden, sometimes power-boss role allows his vast range to shine. The script may be a gem, or it may be a problem. There seems to be some disagreement about that in previous comments, and I can see both sides. The direction was unobtrusive, and the cinematography was a bit claustrophobic, but almost certainly deliberately so. The ending makes the film seem pointless, but I think that was exactly the point. Check it out.