| | | Day 1 |
1 | John | Rebus | A retired detective. |
| Deborah | Quant | Rebus's girlfriend. |
| | | COPD - Chronic Obstructive Pulmonary Disease. |
| Siobhan | Clarke | A detective inspector. |
| Gail | Mckie | Darryl's mother. |
| Darryl | Christie | Victim. A career criminal. |
| Annette | Christie | Gail's daughter. Deceased. |
| Sammy | | Rebus's daughter. |
| Maria | Turquand | A murder victim in 1978. Aka: Maria Frazer. |
| John | Turquand | Maria's husband. |
| Magnus | Brough | A bank owner. |
| Peter | Attwood | Maria's lover. |
| Bruce | Collier | A rock star. Maria's lover. |
| Anthony | Brough | Magnus's grandchild. |
| Francesca | Brough | Magnus's grandchild. |
| Brillo | | Rebus's dog. |
| | | Day 2 |
2 | Malcolm | Fox | A detective inspector. |
| Joe | Starke | A career criminal. |
| Ben | McManus | The assistant chief constable. |
| Jennifer | Lyon | Fox's boss. |
| Sheila | Graham | Ben's colleague. |
3 | Morris Gerald | Cafferty | Rebus's old friend. A business magnate. |
| Christine | Esson | Siobhan's police. |
| Ronnie | Ogilvie | Siobhan's police. |
| James | Page | Siobhan's boss. |
| Robert | Chatham | The detective in charge of Maria Turquand's murder. |
| Vince | Brady | Bruce's manager. |
| Dougie | Vaughan | Bruce's friend. A musician. |
4 | Mitch | Fox | Malcolm's father. |
| Jude | Fox | Malcolm's sister. |
| Lisa | | The cashier. |
| | | Day 3 |
6 | Laura | Smith | A journalist. |
| Hugh Harold | Hodges | Darryl's friend. Aka: Harry. |
| Craw | Shand | Darryl's attacker. |
| | | Day 4 |
7 | Lisanne | Bentley | Jimmy's wife. |
| Jimmy | Brough | Magnus's son. |
| Tess | | Siobhan's friend from Scotland Police. |
| Haj | Atwal | The crime scene manager. |
| Alvin | James | The detective superintendent. |
8 | Liz | Dolan | Robert's girlfriend. |
9 | Joseph | Beddoes | Darryl's colleague. |
| Cal | | Darryl's sister. |
| Sean | Glancey | A police from Aberdeen. |
| Wallace | Sharpe | A policeman. |
| Mark | Oldfield | A detective constable. |
| Annette | Briggs | The woman who conducts an interview with Liz Dolan. |
| | | Day 5 |
11 | Maxine | Dromgoole | A writer. |
12 | Walter | Grieve | Joe's childhood friend. |
| Len | Parker | Joe's childhood friend. |
| | | Day 6 |
13 | Kenny | Arnott | Chatham's boss. |
| Hank | Marvin | A guitarist. |
15 | Molly | Sewell | Anthony's secretary. |
| Daniel | Reynolds | Darryl's friend. Aka: Dandy. |
| Roddy | Cape | Darryl's friend. |
16 | Aleksander | Glushenko | A Russian Mafia member. Aka: Anton Nazarchuk. |
| | | Day 7 |
17 | Alan | McFarlane | A high-ranking police official in London. |
| Warbody | | Francesca's guardian. |