| 1 | Duncan | Kinkaid | Scotland Yard Superintendent |
| | Gemma | James | Scotland Yard Sergeant |
| | | Williams | Scotland Yard P.C., driver |
| | Alastair | Gilbert | Notting Hill police division commander, murder victim |
| | Nick | Devaney | Notting Hill police Chief Inspector |
| | Kate | Ling | Police pathologist |
| | Claire | Gilbert | Victim's wife, interior designer |
| 2 | Lucy | Penmaric | Gilbert's stepdaughter |
| | Lewis | | The Gilberts' Labrador retriever |
| | Will | Darling | Notting Hill constable |
| | Brian | Genovase | Local pub owner |
| 3 | Toby | James | Gemma's young son |
| | Malcolm | Reid | Owner of interior design firm, Claire's boss |
| | Gwen | Gilbert | Alastair's elderly mother, in nursing home |
| 4 | Rob | James | Gemma's ex-husband |
| | Geoff | Genovase | Brian's son, worked odd jobs around town & at the pub |
| 5 | Madeleine | Wade | Proprietor of village grocery shop, masseuse |
| 6 | David | Ogilvie | Notting Hill police Chief Inspector under Gilbert |
| | Jackie | Temple | Gemma's friend, fellow officer from past |
| | Susan | May | Another friend of Gemma, BBC production assistant, Jackie's roommate |
| | Hazel | Cavendish | Gemma's landlady, child
career, psychologist |
| | Tim | Cavendish | Hazel's husband, psychologist |
| | Holly | Cavendish | Tim & Hazel's 3-year-old daughter |
| 7 | Dr. Gabriella | Wilson | Neighbor of the Gilberts, physician, burglary victim, aka "Doc," "Pookie" |
| | Paul | Wilson | Gabriella's husband, business consultant |
| | Ginger | | Madeleine's ginger cat |
| | Rebecca | Fielding | Local vicar |
| | Percy | Bainbridge | Retired teacher, burglary victim |
| | Sid | | Kinkaid's adopted cat, formerly owned by neighbor Jasmine (murder victim) |
| | Maj. Harley | Keith | Kinkaid's neighbor, cat sitter |
| | Jasmine | | Kinkaid's neighbor & friend, recently deceased |
| 8 | Stephen | Penmaric | Lucy's father, journalist, deceased 12 years ago in auto accident |
| 12 | Marc | Lamb | Superintendent at Guildford police station |
| | Dennis | Childs | Kinkaid's boss at Scotland Yard |
| 13 | Augustus | Cokes | Bank manager in Dorking where Claire had an account |
