| Mrs Bünz | | |
| Dame Alice Mardian | | Of Mardian Castle |
| The Rev. Samuel Stayne | | Rector of East Mardian, her great-nephew by marriage |
| Ralph Stayne | | Her great-great-nephew and son to the Rector |
| Dulcie Mardian | | Her great-niece |
| William Andersen | | Of Copse Forge, blacksmith |
| Daniel Andersen | | His sons |
| Andrew Andersen |
| Nathaniel Andersen |
| Christopher Andersen |
| Ernest Andersen |
| Camilla Campion | | His granddaughter |
| Bill Andersen | | His grandson |
| Tom Plowman | | Landlord of the Green Man |
| Trixie Plowman | | His daughter |
| Dr Otterly | | Of Yowford, General Practitioner |
| Simon Begg | | Of Simmy-Dick’s Petrol Station |
| Superintendent Carey | | Of the Yowford Constabulary |
| Police Sergeant Obby | | Of the Yowford Constabulary |
| Superintendent Roderick Alleyn | | |
| Detective-Inspector Fox | Of the CID |
| Detective-Sergeant Bailey | New Scotland Yard |
| Detective-Sergeant Thompson | |