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Two amateur detectives in an Oxfordshire village discover dying fish in their river. When they contact the water company for answers, the company's odd, evasive response prompts them to launch an investigation that continues today.
Last Episode Aired
2026-02-25
S1E3 — The Whistleblower
The drama concludes as Dirty Business flushes out a story of pollution, criminal convictions and corporate wealth
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Availability data provided by JustWatch via TMDB
Billed Cast
David Thewlis
Ash Smith
Jason Watkins
Peter Hammond
Posy Sterling
Julie Preen
Tom McKay
Mark Preen
Alex Jennings
Sir James Bevsn
Asim Chaudhry
Mickey Lazarus
Alice Lowe
Susan Day
Chanel Cresswell
Hannah Swift
Vicki Pepperdine
Lucy Hunt
Juliet Cowan
Debbie Henderson
Charlotte Ritchie
Sophie Harrison
Tom Durant-Pritchard
Chris Hines
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