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