| Alexander Hanson | Councillor Clive Burkitt |
| Faith Omole | Olive Reynolds |
| Zaris-Angel Hator | Sandra Reynolds |
| Shaun Evans | DS Endeavour Morse |
| Carol Royle | Mrs. Bright |
| Anton Lesser | Chief Superintendent Reginald Bright |
| Roger Allam | DI Fred Thursday |
| Laura Donoughue | Deborah Teagarden |
| Michael Jenn | Osbert Page |
| Precious Mustapha | Lucy Paroo |
| Paul Jesson | Professor Ernest Burrowes |
| Aidan McArdle | Dr. Jasper Nicholson |
| Simon Harrison | DCI Ronnie Box |
| Richard Riddell | DS Alan Jago |
| Sean Rigby | DS Jim Strange |
| Caroline O'Neill | Win Thursday |
| James Bradshaw | Dr. Max DeBryn |
| Alison Newman | Viv Wall |
| Sara Vickers | Joan Thursday |
| Ian Saynor | Mr. Jenkins |
| Tom Gordon | News Reporter |
| Abigail Thaw | Dorothea Frazil |
| Colin Tierney | Assistant Chief Constable Bottoms |
| Ian Burfield | George McGyffin |
| Laura Ashford | Hospital Visitor |
| Aston McAuley | Stanley Clemence |
| Nick Owenford | Passerby |
| Matt Sproit | Gog |