Overview
Based on the extraordinary true story of Alec Jeffreys' discovery of DNA fingerprinting and its first use by Detective Chief Superintendent David Baker in catching a double murderer.
Cast
- David Threlfall as DCS David Baker
- John Simm as Alec Jeffreys
- Anna Madeley as Sue Jeffreys
- Andrew Tiernan as DS Geoff Taylor
- Lorcan Cranitch as DI Alan Madden
- Dorothy Atkinson as Barbara Ashworth
- Neil Edmond as Robin Ashworth
- Hannah Walters as Kath Eastwood
- Ged Simmons as Eddie Eastwood
- Lydia Rose Bewley as Vicky Wilson