Channel 4's 'Dirty Business' Drama Features All-Star Cast in Water Scandal Exposé
Channel 4 has unveiled its latest factual-drama, 'Dirty Business', a hard-hitting three-part series that delves into a decade-long investigation into England's water companies. The programme, produced by the makers of Partygate, tells the real-life stories of whistleblowers and victims who believe their lives have been devastated by encounters with sewage-polluted water. At the heart of this compelling narrative is a star-studded cast list featuring acclaimed actors from Harry Potter, The Crown, and other major television productions.
Premise and Plot Overview
The series follows two unlikely detectives in an idyllic Oxfordshire hamlet who notice that fish in their local river are dying. After contacting their water company for answers, they receive a strange and evasive reply, sparking an ongoing investigation that uncovers systemic failures. This gripping storyline is brought to life by a talented ensemble of performers, ensuring the drama resonates with both emotional depth and factual urgency.
Leading Cast Members and Their Roles
David Thewlis, renowned for his role as Remus Lupin in the Harry Potter franchise, portrays Ash, a concerned citizen and former police detective. Ash's keen observation skills lead him to discover increasing pollution in his local river, setting the investigation in motion. Thewlis's extensive career includes notable performances in Landscapers, Fargo, and recent series like Sherlock & Daughter and The Artful Dodger.
Jason Watkins, who played Harold Wilson in The Crown, takes on the role of Peter, a Professor of Computational Biology. Peter uses his scientific expertise to prove that the local sewage works is improperly treating waste, frequently dumping raw sewage into waterways. Watkins, a BAFTA winner for The Lost Honour of Christopher Jefferies, has also starred in Des, McDonald & Dodds, and W1A.
Asim Chaudhry, best known as Chabuddy G in People Just Do Nothing, features as Mickey, a whistleblowing sewage plant worker. Burdened by his employer's inefficiency and neglect, Mickey partners with Ash and Peter to provide insider information on critical failures. Chaudhry's credits include The Completely Made-Up Adventures of Dick Turpin, Tinsel Town, and Black Mirror.
Posy Sterling plays Julie, a character viewers may recognise from Playing Nice and Person of Interest. Sterling, who is set to appear as DC Ellie Hackett in the latest series of Trigger Point, is also nominated for this year's EE Rising Star Award at the BAFTAs, highlighting her rising prominence in the industry.
Supporting Cast and Additional Details
The drama is further enriched by a strong supporting cast, including:
- Tom McKay
- Jon Culshaw
- Vicky Pepperdine
- Craig Parkinson
- Charlotte Ritchie
- Chanel Cresswell
- Lucia Keskin
- Alex Jennings
Each actor brings depth to the narrative, portraying various victims, officials, and insiders involved in the water scandal. Their performances collectively underscore the series' themes of corporate negligence and environmental justice.
Broadcast Information and Impact
'Dirty Business' premieres on Channel 4 at 9pm on Monday, February 23. By blending factual investigation with dramatic storytelling, the series aims to shed light on one of England's most pressing environmental issues, making it a must-watch for audiences concerned about public health and ecological sustainability. The involvement of high-profile actors ensures that this critical message reaches a broad viewership, amplifying the call for accountability in the water industry.



