| Cast list | | Geraldine McEwan | as | Miss Marple | | Jane Seymour | as | Rachel Argyle | | Richard Armitage | as | Philip Durrant | | Stephanie Leonidas | as | Hester Argyle | | Denis Lawson | as | Leo Argyle | | Burn Gorman | as | Jacko Argyle | | Juliet Stevenson | as | Gwenda Vaughan | | Julian Rhind-Tutt | as | Dr. Arthur Calgary | | Alison Steadman | as | Kirsten Lindstrom | | Tom Riley | as | Bobby Argyle | | Bryan Dick | as | Micky Argyle | | Reece Shearsmith | as | Inspector Huish | | Gugu Mbatha-Raw | as | Tina Argyle | | Lisa Stansfield | as | Mary Durrant |
| | Crew list: | | Moira Armstrong (Director) | | Agatha Christie (Writer) | | Stewart Harcourt (Writer) |
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