Ann Morrish as Emily Arundell

In the novel Dumb Witness, Emily Harriet Laverton Arundell was a wealthy older woman who never married. She was the last survivor of five siblings; Matilda, Emily, Arabella, Thomas, and Agnes. She was the owner of Little Green House in Market Basing.

She was poisoned with phosphorus, and died on May 1st 1936.


Emily Arundell was portrayed by Ann Morrish in the Agatha Christie's Poirot episode adaptation of the novel.

In Témoin muet, the France Televisions and Escazal Films adaptation which formed part of the Les Petits Meurtres d'Agatha Christie series, the parallel character is named Émilie Longuet.

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