| Episode cast overview, first billed only: |
 | Robert Murphy | - | Himself - Narrator (voice) |
 | Bob Woffinden | - | Himself - Journalist and Author |
 | Martin Young | - | Himself - 'Rough Justice' Presenter, 1982-1986 |
 | Peter Hill | - | Himself - 'Rough Justice' Producer, 1982-1986 |
 | Brian Paddick | - | Himself - Former Deputy Assistant Commissioner, Metropolitan Police |
 | Sam Poyser | - | Herself - Senior Lecturer in Law Studies, Canterbury Christ Church University |
 | Roger Smith | - | Himself - Director, 'Justice' |
 | Alfred Denning | - | Himself - Lord Justice of Appeal (archive footage) (as Lord Denning) |
 | Simon Heffer | - | Himself - Associate Editor, Daily Telegraph |
 | Peter Neyroud | - | Himself - Former Chief Constable, Thames Valley Police |
 | Sue Lawley | - | Herself - BBC Newsreader (archive footage) |
 | Mervyn Jock Russell | - | Himself - Wrongly Accused of Murder (archive footage) |
 | John Smithson | - | Himself - 'Rough Justice' Producer, 1987-1988 |
 | Peter Snow | - | Himself - 'Newsnight' Presenter (archive footage) |
 | Jean Seaton | - | Herself - Professor of Media History, University of Westminster |