| Adapted from Peter Lovesey's Sergeant Cribb novels and set in Victorian London around the time of the Jack the Ripper murders in 1888, Alan Dobie starred as the tough Detective Sergeant who worked for the newly formed Criminal Investigation Department, determined to remove crime from the streets of London using the latest detection methods. |
| Name | Character | Episodes |
|---|---|---|
| William Simons | 13 | |
| Alan Dobie | Sergeant Cribb | 13 |
| Jimmy Gardner | Boatman | 1 |
| Derek Fowlds | Albert Moscrop | 1 |
| Barry Jackson | Matthew Scott | 1 |
| Norma West | Isabel Vibart | 1 |
| Bernard Archard | Governor of Newgate | 1 |
| Georgine Anderson | Winifred Probert | 1 |
| Gerald Sim | Inspector Waterlow | 1 |
| Mark Eden | Edmund Vibart | 1 |
| David Ashford | Simon Allingham | 1 |