| Pro | Roy | Carver | The detective inspector who handles Lula's case. |
| | Eric | Wardle | The detective sergeant. Carver's colleague. |
| | | | Part 1 |
| 1 | Robin | Ellacott | Matthew's girlfriend. Strike's new secretary. Aka: Sandra, Annabel. |
| | Cormoran Bluey | Strike | The private detective. Aka: Mystic Bob, Corm, Federico, Stick. |
| 2 | Charlotte | Campbell | Strike's lover. |
| 3 | John | Bristow | Strike's client. A lawyer. |
| | Charlie | Bristow | Mr. Bristow's brother. Deceased. |
| | Lula | Landry | Mr. Bristow's sister. The girl who
allegedly committed suicide. Aka: Cuckoo. |
| | Alec | Bristow | The Bristow's adoptive father. |
| | Yvette | Bristow | The Bristow's adoptive mother. |
| | Tansy | Bestigui | Lula's neighbor. |
| 4 | Alison | Cresswell | John's
secretary. |
| | Evan | Duffield | Lula's boyfriend. |
| | Ciara | Porter | Lula's friend. A model. |
| | Deeby | Macc | An American rapper. Lula's neighbor. Aka: Daryl Brandon MacDonald. |
| 5 | Mr. | Crowdy | The graphic
designer. |
| | Sandra(2) | | Strike's former secretary. |
| | Richard | Anstis | The detective inspector. Strike's friend. |
| 6 | Peter | Gillespie | The man Strike is indebted to. |
| 7 | The | Runner | The mystery man who was seen in the CCTV footage. |
| | Derrick | Wilson | The security guard on duty when Lula died. |
| | | | Part 2 |
| 1 | Dana | Gibson | A journalist. |
| | Melanie | Telford | A writer. |
| | Emmeline | Pankhurst | A model. |
| | Guy | Some | Lula's fashion designer and close friend. Aka: Kevin Owusu. |
| | Geoffrey | Hook | Mrs. Hook's husband. |
| | Mrs. | Hook | Strike's only other client. |
| | Freddie | Bestigui | Tansy's husband. A film producer. |
| | Vivian | Cranfield | Higson's neighbor. |
| | Marlene | Higson | Lula's biological mother. |
| 5 | Jonny | Rokeby | Strike's father. A rock and roll hall of famer. Aka: Jonathan Leonard Rokeby. |
| | David | Carr | Jonny's new guitarist. |
| | Shirley | Mullens | Jonny's 1st wife. |
| | Maimie | | A model and actress. Jonny and Shirley's daughter. |
| | Carla | Astolfi | Jonny's 2nd wife. A human rights activist. |
| | Gabriella | Rokeby | Jonny and Carla's daughter. |
| | Daniella | Rokeby | Jonny and Carla's daughter. |
| | Jenny | Graham | Jonny's 3rd wife. |
| | Edward | Rokeby | Jonny and Jenny's son. |
| | Al | Rokeby | Jonny and Jenny's son. |
| | Prudence | Donleavy | Jonny and Lindsey's daughter. |
| | Lindsey | Fanthrope | Prudence's mother. |
| | Leda | Strike | Strike's mother. |
| | Valerie | | Mr. Hook's alleged mistress. |
| | Joan | | Strike's aunt. |
| 6 | Lucy | | Strike's half-sister. |
| | Shumba | | Leda's boyfriend. |
| | Ted | | Joan's husband. Strike's uncle. |
| | Kieran | Kolovas-Jones | Lula's regular driver. |
| | Jason | | Derrick's nephew. |
| | Mick | | Lula's driver the night she died. |
| | Colline | McLeod | Derrick's
colleague. |
| | Ian | Robson | Derrick's colleague. |
| | Lechsinka | | One of the cleaners. |
| 8 | Greg | | Lucy's husband. |
| 9 | Tony | Landry | John and Lula's uncle. |
| | Rochelle | Onifade | Lula's friend. |
| | Carrianne | | Rochelle's acquaintance. |
| | Janine | | Carrianne's friend. |
| 10 | Nigel | Clements | Duffield's agent. |
| | Liam | Yates | A police informant. |
| | Brett | Fearney | The man who beat up Shona's sister. |
| | Whycliff | | Duffield's dealer. |
| 11 | Gabi | | The legitimate child of Jonny. |
| | Dannie | | The legitimate child of Jonny. |
| | Ursula | May | Tansy's sister. |
| | Cyprian | May | Ursula's husband. |
| | Linsey | Parr | Tansy's gym mates. |
| | Dickie | Carbury | Freddie's friend. |
| | Bryony | Radford | Lula's friend. A makeup artist. |
| | Conway | Oates | An American financier. |
| | | | Part 3 |
| 2 | Rick | | Lucy's father. |
| | Tracey | | Strike's former girlfriend. |
| 4 | Brian | Mathers | Strike's former client. |
| | Maggie | | A friend of Brian's wife. |
| 7 | Spanner | | Strike's friend. |
| | Nick | | One of Strike's friends. |
| | Ilsa | | One of Strike's friends. |
| | Jago | Ross | Charlotte's fiancé. |
| | | | Part 4 |
| 1 | Trudie | | Guy Some's secretary. |
| | Elsa | | One of Guy Some's assistants. |
| | Viktor | | Guy Some's cat. |
| | Rolf | | Guy Some's cat. |
| 2 | J.P | Agyeman | The Emeritus Professor of African politics. |
| 4 | Dez | | Marlene's boyfriend. |
| | Joe | | Lula's alleged father. |
| 10 | Gary | Topley | A sergeant. Strike's companion. |
| | Melanie | | The shop assistant. |
| 11 | Graham | Hardacre | Strike's lieutenant and companion. Aka: Oggy. |
| 12 | Elena | | Freddie's secretary. |
| 13 | Winfred | | Rochelle's aunt. |
| 14 | Mary | | Mrs. Bristow's maid. |
| | Jonah | Agyeman | Lula's real brother. |
