When Miss Jane Marple arrives at palatial Stonygates, one thing is certain. Before there's time to lather a warm scone with marmalade and place a tea cozy, murder most foul is bound to occur.
| Actor | Role |
|---|---|
 Helen HayesMiss Jane Marple | Miss Jane Marple |
 Bette DavisCarrie Louise Serrocold | Carrie Louise Serrocold |
 John MillsLewis Serrocold | Lewis Serrocold |
 Leo McKernInsp. Curry | Insp. Curry |
 Liane LanglandGina Markham | Gina Markham |
 John LaughlinWally Markham | Wally Markham |
 Dorothy TutinMildred Strete | Mildred Strete |
 Anton RodgersDr. Max Hargrove | Dr. Max Hargrove |
 Frances de la TourMiss Bellaver | Miss Bellaver |
 John WoodvineChristian Gilbranson | Christian Gilbranson |
 James CoombesSteven Restarick | Steven Restarick |
 Tim RothEdgar Lawson | Edgar Lawson |
 Christopher FairbankSergeant Lake | Sergeant Lake |
| AAmanda MaynardMiss Valentine | Miss Valentine |
 Derek LyonsYoung Man at Stonygates | Young Man at Stonygates |