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Cast
Olivia Williams
Agatha Christie
Anna Massey
Old Agatha Christie
Raymond Coulthard
Archie Christie
Stephen Boxer
Psychatrist
Anthony O'Donnell
Hercule Poirot
Anthony O'Donnell
Kenward
Mark Gatiss
Kenyon
Richard Leaf
Gunman
Bonnie Wright
Young Agatha Christie
Celia Montague
Agatha Christie's Mother
James Tucker
Reggie
Vicki Pepperdine
Carlo Fisher
