| 1 | Jack | Angel | Grace's husband. |
| | Grace | Angel | Jack's wife. Narrator. |
| | Diane | | Jack's friend. |
| | Adam | | Jack's friend. |
| | Rufus | | Jack's new neighbor. |
| | Esther | | Jack's new neighbor. |
| | Sebastian | | Esther's son. |
| | Aisling | | Esther's daughter. |
| | Millie | Harrington | Grace's sister. Has down syndrome. |
| | Anthony | Tomasin | Dena's husband. One of the shareholders of the company. |
| | Dena | Anderson | Anthony's wife. |
| 2 | Alex | | Grace's ex-boyfriend. |
| | Janice | | Millie's carer. |
| 4 | Kate | | Grace's friend. |
| | Emily (1) | | Grace's friend. |
| | Mrs. | Goodrich | Millie's headmistress. |
| | Giles | Kilburn-Hawes | Jack's friend. Moira's husband. |
| | Moira | Kilburn-Hawes | Jack's friend. Giles's wife. |
| | Molly | | Grace's labrador. |
| | Mrs. | Johns | Jack's house sitter. |
| | Leonard | | Grace's uncle. |
| 6 | Kiko | | Hotel worker who escorted Grace. |
| 7 | Mr. | Ho | Hotel manager. |
| 8 | Rosie | | Millie's imaginary friend. |
| 9 | Emily (2) | | Diane and Adam's daughter. |
| | Jasper | | Diane and Adam's son. |
| 10 | Mrs. | Rogers | Millie's friend who overdosed on sleeping pills. |
| 15 | Margaret | | Someone Grace met the day of the trip to the Temples. |
| | Richard | | Someone Grace met the day of the trip to the Temples. |
| | Alastair | Strachan | Works at the British Embassy. |
| | Vivienne | Dashmoor | Alastrair's assistant. A young woman. |
