| Miss Jane Marple | Joan Hickson | |
| Mrs. Dolly Bantry | Gwen Watford | |
| Colonel Arthur Bantry | Moray Watson | |
| Lorrimer | Valentine Dyall | |
| Mary | Karin Foley | |
| Sir Henry Clithering | Raymond Francis | |
| Chief Constable Colonel Melchett | Frederick Jaeger | |
| Detective Inspector Slack | David Horovitch | |
| Detective Constable Lake | Ian Brimble | |
| WPC | Sarah Whitlock | |
| Basil Blake | Anthony Smee | |
| Dinah Lee | Debbie Arnold | |
| Police Constable Bill Palk | John Bardon | |
| Mrs. Palk | Anne Rutter | |
| Malcolm | Colin Higgins | |
| Conway Jefferson | Andrew Cruickshank | |
| Edwards | John Moffatt | |
| Adelaide Jefferson | Ciaran Madden | |
| Peter Carmody | Andrew Downer | |
| Mark Gaskell | Keith Drinkel | |
| Mr. Prescott | Hugh Walters | |
| Raymond Starr | Jess Conrad | |
| Josephine Turner | Trudie Styler | |
| Ruby Keene | Sally Jane Jackson | |
| Bridget | Kathleen Breck | |
| George Bartlett | Arthur Bostrom | |
| Mr. Brogan (as Sidney Livingstone) | Sid Livingstone | |
| Hugo McLean | Martyn Read | |
| Major Reeve | Stephen Churchett | |
| Pamela Reeve | Astra Sheridan | |
| Florrie Small | Karen Seacombe | |
