| Episode cast overview, first billed only: |
 | Tony Morris | - | Himself - Presenter |
 | Lucy Meacock | - | Herself - Presenter |
 | Mark Chantler | - | Himself |
| Donna Bowring | - | Herself - Dylan's Mother |
| Rhiannon Owen | - | Herself - Student Nurse |
 | Theresa May | - | Herself - Prime Minister |
 | Jeremy Corbyn | - | Himself - Labour Leader |
 | Nazir Afzal | - | Himself - Former CPS Prosecutor |
| Mick Gradwell | - | Himself - Former Detective, Lancashire Police |
| Chloe Keedy | - | Herself - Correspondent |
| Kira Glossop | - | Herself |
| Tracy Glossop | - | Herself |
| Paul Richardson | - | Himself - Merseyside Police (as Det Ch Supt Paul Richardson) |
| Ella McGovern | - | Herself |
| Zara Wilson Patel | - | Herself |
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