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Poison Pen
Episode 1 of 6
Basking in the glow of publicity from their last successful job, the Wainthropp Detective Agency has more work than it can handle. While Hetty tries to help a stricken village, can Robert and Geoffrey conduct their own case?
Last on
Sun 15 Feb 2026
00:55
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Credits
| Role | Contributor |
|---|---|
| Actor | Patricia Routledge |
| Actor | Derek Benfield |
| Actor | Dominic Monaghan |
| Actor | John Graham Davies |
| Actor | Sue Johnston |
| Actor | Ronnie Stevens |
| Producer | Carol Parks |
