Agatha Christie's Poirot: The Movie Collection - Set 6 [Blu-ray]David Suchet returns as Hercule Poirot, Agatha Christies endearingly fastidious sleuth, in three baffling new cases based on her classic novels. As seen on the PBS Masterpiece Mystery! series. THREE ACT TRAGEDY: After guests at successive dinner parties mysteriously drop dead, Poirot teams up with an old friend, retired stage star Sir Charles Cartwright (Martin Shaw), to ferret out the killer. Guest stars include Jane Asher, Art Malik, and Kimberley