First broadcast 20th February 1985.<br /><br />Miss Marple is called on to investigate possible causes of her friend's deteriorating health.<br /><br />Helen Hayes as Miss Jane Marple<br />Bette Davis as Carrie Louise Serrocold<br />John Mills as Lewis Serrocold<br />Leo McKern as Inspector Curry<br />Liane Langland as Gina Markham<br />John Laughlin as Wally Markham<br />Dorothy Tutin as Mildred Strete<br />Anton Rodgers as Dr Max Hargrove<br />Frances de la Tour as Miss Bellaver<br />John Woodvine as Christian Gilbranson<br />James Coombes as Steven Restarick<br />Tim Roth as Edgar Lawson<br />Christopher Fairbank as Sergeant Lake<br />Amanda Maynard as Miss Valentine<br /><br />
