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In page A Caribbean Mystery:

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A 1983 US TV movie adaptation starred Helen Hayes as Miss Marple and Barnard Hughes as Mr Rafiel. The New York Times says that Miss Marple has "a carload of suspects" to figure out why her friend was killed, in this film that first aired 22 October 1983.[1] The screenplay was credited to Sue Grafton, later a mystery writer, and Steve Humphrey.[citation needed] The production was shot in California.[citation needed]