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.

Margaret Rutherford

Miss Jane Marple

Lionel Jeffries

Captain Rhumstone

Stringer Davis

Jim Stringer

Charles Tingwell

Inspector Craddock

William Mervyn

Breeze-Connington

Henry Oscar

Lord Rudkin

Joan Benham

Alice Fanbraid

Nicholas Parsons

Dr. Crump

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