| 1 | Judith | Potts | The woman who heard a gunshot at Stefan's house. |
| | Stefan | Dunwoody | Judith's neighbor and friend. An Art gallery owner. |
| 2 | Tanika | Malik | The detective sergeant. |
| | Betty | | Judith's great-aunt. |
| | Elliot | Howard | Owner of the Marlow Auction house. |
| 4 | Antonia | Webster | Stefan's assistant. |
| 5 | Daisy | Howard | Elliot's wife. |
| 6 | Colin | Starling | The vicar. |
| | Rebecca | Starling | The vicar's wife. Aka: Becks, Becky. |
| 7 | Sam | Starling | Colin and Beck's son. |
| | Chloe | Starling | Colin and Beck's daughter. |
| 9 | Gareth | Hoskins | The detective inspector. Malik's boss. |
| | Iqbal | Kassm | A taxi driver. Murdered. |
| | Suzie | Harrs | Iqbal's friend. A dog walker. |
| | Emma | | Iqbal's dog. |
| 10 | Ezra | Harrington | Iqbal's old neighbor. Emma's real owner. |
| 13 | Roger | Squires | A setter. |
| 15 | Rachel | | Suzie's daughter. |
| | Phillipos | Demetriou | Judith's late husband. |
| | Dudley | Howard | Elliot's father. |
| | Fred | Smith | The auction house former chairman. |
| | Toby | | Suzie's grandson. |
| | John William | Waterhouse | The painter of the Lady In Shallot. |
| | Amy | | Suzie's daughter. |
| 16 | Mark | Rothko | A famous American painter in the 20th century. |
| | Liz | Curtis | The woman who runs the Marlow Rowing Centre. Murdered. |
| 17 | Crumble | | Liz's dog. |
| | Danny | Curtis | Liz's husband. |
| 19 | Latif | | The Imam. |
| 20 | Wally | | One of the whippets. |
| | Evie | | One of the whippets. |
| | Crackers | | A pug. |
| | Andy | Bishop | Ezra's solicitor. |
| 27 | Brenda | McFarlane | Elliot's neighbor. One of Suzie's clients. |
| | Monty | | Brenda's cocker spaniel. |
| 30 | Spencer | Chapman | The witness on Ezra's will. |
| | Faye | Kerr | The witness on Ezra's will. |
| 38 | Major | Lewis | One of the church members. |