David Farrar always looked the solid dependable type, making him all the more credible as an amoral confidence trickster that women would be taken in by. Jean Simmons is very good as his main victim, and it is remarkable that in actual fact there was a twenty year gap in their ages. Douglas Slocombe's monochrome photography is superb. Main weakness occurs toward the end with the narrative becoming contrived almost to the point of absurdity. Interesting to see that at this point the older doctor was still allowed to own a handgun legally, albeit with a licence, something that has not been the case in the UK for very many years.