During an annual board of trustees meeting, one of the trustees dies. Miss Marple thinks he’s been poisoned after finding a chemical on him. She sets off to investigate at the ship where he had just come from. The fourth and final film from the Miss Marple series starring Margaret Rutherford as the quirky amateur detective.
as Miss Jane Marple
as Captain Rhumstone
as Jim Stringer
as Inspector Craddock
as Breeze-Connington
as Lord Rudkin
as Alice Fanbraid
as Dr. Crump
as Bishop
as Sub-Lt. Eric Humbert
as Brewer
as Asst. Matron Shirley Boston
as Sgt. Bacon
as Lt. Compton
as Millie
as Dusty Miller
as Miss Pringle
as Petty Officer Lamb
as Tramp
