| Episode complete credited cast: |
 | Bradley Walsh | - | Himself - Host |
 | Joe Sims | - | Himself - Guest |
 | Adele Parks | - | Herself - Guest |
| Rest of cast listed alphabetically: |
| Mark Billingham | - | Himself |
| Sarah Brown | - | Herself - Executive Producer, 'The Interceptor' |
| Chris | - | Herself - Contestant |
| Andrew Collins | - | Himself - TV Critic |
 | Phil Davis | - | Himself / DS Miles |
| Elinor | - | Herself - Contestant |
 | O-T Fagbenle | - | Himself / Ash (as O.T. Fagbenie) |
| Sophie Hannah | - | Herself |
 | Robert Harris | - | Himself - Crime Author |
| Boyd Hilton | - | Himself - TV Critic |
 | Peter James | - | Himself |
| Lisa | - | Herself - Contestant |
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