Dirty Business Cast Announced: David Thewlis, Jason Watkins Lead New Channel 4 Drama Monday, February 23, 2026 dirtybusiness channel4 davidthewlis jasonwatkins waterpollution whistleblowers drama environmental investigation sewage Channel 4’s latest factual drama, Dirty Business, dives into a decade-long investigation of England’s water companies, spotlighting whistleblowers and victims affected by sewage-contaminated water. This compelling three-part … Read More