Being new to Agatha Christie's stories I have been consistently surprised at the her exploration of human character and this work is no exception. As I state in my summary this one is like watching a play rather than a movie but it suffers not from that distinction; in fact it is a welcome change of pace. The film can be streamed in 4K and that in itself makes it wonderful to look at and the locations, production design/values are first rate, costume scenery etc. No one character is more prominent than another which makes it interesting.And even though the acting skews to the camp rather than the subdued every actor gives a performance which makes his or her character 'alive' on the screen except for Bill Nighy as Leo Argyle who is mediocre at best. Good story, well executed film.Worth watching.