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.
Miss Jane Marple
Captain Rhumstone
Jim Stringer
Inspector Craddock
Breeze-Connington
Lord Rudkin
Alice Fanbraid
Dr. Crump
Bishop
Sub-Lt. Eric Humbert
Brewer
Asst. Matron Shirley Boston
Sgt. Bacon
Lt. Compton
Millie
Dusty Miller
Miss Pringle
Petty Officer Lamb
Tramp