| Episode credited cast: |
 | Derek Brisco | - | Himself - Ex-Prison Officer |
| Albert Donoghue | - | Himself - Former Kray Gang member |
| Clifford Down | - | Himself - Taxi Driver (archive footage) |
| Freddie Foreman | - | Himself |
| Charles Kray | - | Himself (as Charlie Kray) |
| Reg Kray | - | Himself (archive footage) (as Reggie Kray) |
| Ronald Kray | - | Himself (archive footage) (as Ronnie Kray) |
| Joyce Land | - | Herself - Publican (archive footage) (as Mrs. Joyce Land) |
| Frank Mitchell | - | Himself (archive footage) |
| Linda Mitchell | - | Herself - Frank Mitchell's Sister |
| May Mitchell | - | Herself - Frank Mitchell's Sister |
| Sam Mitchell | - | Himself - Frank Mitchell's Father (archive footage) |
| Eva Peggs | - | Herself (archive footage) (as Mrs. Eva Peggs) |
| Leonard 'Nipper' Read | - | Himself - Ex-Detective Superintendent (as Leonard 'Nipper' Read) |
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