The police ask amateur sleuth Miss Marple to take part in a little experiment.

Conclusion of Agatha Christie's whodunit starring June Whitfield.

Dramatised by Michael Bakewell.

Miss Marple ...... June Whitfield
Inspector Davy ...... Frederick Jaeger
Sir Ronald Graves ...... Patrick Allen
Canon Pennyfather ...... Maurice Denham
Bess Sedgwick ...... Sian Phillips
Miss Gorringe ...... Jillie Meers
Elvira Blake ...... Tracy Wiles
Bridget ...... Sarah Plowright
Ladislaus Malinowski ...... Gavin Muir
Sergeant Waddell ...... Ross Livingstone

Director: Enyd Williams

First broadcast on BBC Radio 4 in December 1995. Show less