A severed female hand is found in the Thames, which brings D.C.I. Conner in contact with Walker (who is now back in uniform). No body is discovered, and the case soon becomes a battle of wits against the killer.
| Name | Type | Role | |
|---|---|---|---|
| Lynda La Plante | Writer | ||
| Charles Dance | Guest Star | Greg Harwood | |
| Amanda Boxer | Guest Star | Lady Winfield | |
| Charles Beeson | Director | ||
| Lynda La Plante | Director | ||
| David Hayman | Actor | Chief Supt Mike Walker | |
| Faith Hardy | Actor | Susie Harwood | |
| Simone Bowkett | Actor | Diane Harwood | |
| Sara Kestelman | Actor | Judge Emily Hillard | |
| John Hopkins | Actor | Ian Frogton QC | |
| George Pensotti | Actor | Judge Winfield | |
| Victoria Smurfit | Actor | DCI Roisin Connor | |
| Daniel Brown | Actor | PC Haigh | |
| Gemma Jones | Actor | Jean Mullins | |
| Raad Rawi | Actor | Marcus Quinn QC | |
| Anatol Yusef | Actor | PC Barry Skinner | |
| Ben Cross | Actor | DS Taylor Matthews | |
| Daniel Jackson | Actor | Peter Carlisle | |
| Inday Ba | Actor | DC Lisa West | |
| Jean Boht | Actor | Female Neighbour | |
| Kayvan Novak | Actor | Craig Board | |
| Neve McIntosh | Actor | Carla Worth | |
| Clare Swinburne | Actor | Julia Summers | |
| Barbara Thorn | Actor | Barbara Mackenzie | |
| Victoria Hardy | Actor | Sara Harwood | |
| Pip Torrens | Actor | DCS Richard Lawson | |
| Georgia Mackenzie | Actor | PC Alison Daniels | |
| Andrew Burt | Actor | A P Donald | |
| Jim Carter | Actor | Dr Jenkins |