Sure, Inspector Japp, Miss Lemon and above all Captain Hastings are missed. But none of those characters were in the book either so plot wise they wouldn't belong anyway. David Suchet is as ever perfect as Poirot, though he seems to have gained just a little weight! He's now almost Peter Ustinov size! The sets are theatrical-movie quality, it's full of period atmosphere, and the casting is almost perfect. I especially liked Georgina Rylance as the shy yet too smart to be taken advantage of Katherine Grey, and Lindsay Duncan as the wacky Lady Tamplin. The only rather flat performances were by Elliot Gould, and Jaime Murray whose work I love from Hustle but had admittedly a rather small role (even though she is the main victim) here. Ruth Kettering sure is a born victim though!
All in all a welcome comeback of the great Poirot series, and I can't wait for the next one.