| 1 | Duncan |
Kincaid | Detective Superintendent. Protagonist. |
| | Doug |
Cullen | Kincaid's detective sergeant. |
| | Trevor |
Banks | Lesley's son. |
| | Lesley |
Banks | The woman who found the dead body. |
| 2 | Chris |
Burns | The medic. |
| | John |
Ho | Chris's partner. |
| | Sasha |
Johnson | A trainee doctor. Deceased. |
| | Simon |
Gikas | Kincaid's case manager. |
| | Rashid |
Kaleem | A young pathologist. |
| | Kate |
Ling | Kincaid's friend. |
| | Gemma |
James | Kincaid's wife. |
| | Charlotte |
| Kincaid's foster daughter. |
| | Toby |
James | Gemma's son. |
| | Mr. |
Charles | The ballet dancer. |
| | Jess |
Cusick | Gemma's friend. |
| | Mackenzie |
Williams | Gemma's friend. |
| | Mrs. |
Stahlbaum | Clara and Fritz's mother. |
| | Clara |
Stahlbaum | A ballerina. |
| | Fritz |
Stahlbaum | Clara's brother. |
| | Bill |
Stahlbaum | Clara and Fritz's father. |
| | Kit |
Kincaid | Duncan's son. |
| | Stephanie |
| Kit's friend. |
| | Melody |
Talbot | Gemma's friend. A detective. |
| | Andy |
Monahan | Melody's ex-boyfriend. |
| 3 | Tully |
Gibbs | Sasha's flatmate. |
| | Wesley |
Howard | Gemma's family friend. |
| | Jasmine |
Sidana | One of Kincaid's detectives. |
| 4 | Tyler |
Johnson | Sasha's brother. |
| | Jonathan |
Gibbs | Tully's brother. |
| | Lucy |
McGillivray | The new detective constable. |
| | Peter |
Johnson | Sasha's father. |
| | Dorothy |
Johnson | Sasha's mother. |
| | Betty |
Howard | Kincaid and Johnson's common friend. |
| 5 | Kayla |
Johnson | Sasha's sister. |
| | David |
Pope | Tully's boss. The gallery owner. |
| | Michael |
Moran | Louise's neighbor. A floral designer. |
| | Tam |
Moran | Michael's partner. |
| | Louise |
Phillips | Charlotte's father's partner. |
| | Neel |
Chowdhury | Sasha's manager. |
| 6 | Heidi |
| A mortuary assistant. |
| | Wesley |
| Gemma's friend. |
| | Erika |
Rosenthal | Kit's friend. |
| | Poppy |
| Andy's girlfriend. |
| 7 | Owen |
Rees | A senior consultant on the ward. |
| | Caleb |
Hart | Poppy's manager. |
| 9 | Kerry |
| Gemma's DCI friend. |
| 10 |
Wesley | Howard |
Betty's son. |
| 14 |
Howard | Quirk |
The man who reported the body. |
| | Emily |
Hawkins | The police constable. |
| | Wallace |
| Mr. Quirk's dog. |
| 16 |
Allison | Baker |
The ward manager. |
| | Darrell |
Cherry | The gastro pub owner. |
| 17 |
Destiny | Howard |
Betty's daughter. |
| 18 |
Nira | Gupta |
Neel's cousin. |
| 19 |
Alex | Dunn |
Kincaid's antique dealer friend. |
| | Trudy |
| The bartender at the club. |
| | Chelsea |
Traynor | Tyler's girlfriend. |
| | Dr. |
Hawkins | The lecturer. |
| 21 |
Lisa | Gill |
A detective inspector. |
| | Jordan |
Gill | Lisa's son. |
| | Sandra |
Beaumont | A nurse victim. Deceased. |
| | Esther |
| A young nurse. Allison's assistant. |
| | Anne |
Snow | The mysterious girl. |
| 22 |
Karen | Sterling |
Sandra Beaumont's daughter. |
| | Dennis |
Childs | Kincaid's former boss. |
| | Dance |
Childs | Deni's wife. |
| 23 |
Lauren | Montgomery |
Owen Rees's wife. |
| | Winnie |
Monfort | Gemma's friend. |
| | Connie |
Monfort | Winnie's daughter. |
| | Jack |
Monfort | Winnie's husband. |
| | Mick |
Carney | A drug and prostitution leader. |
| 26 |
Geordie | Cullen |
Doug's son. |