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.
as DCS David Baker
as Alec Jeffreys
as Sue Jeffreys
as DS Geoff Taylor
as DI Alan Madden
as Barbara Ashworth
as Robin Ashworth
as Kath Eastwood
as Eddie Eastwood
as Vicky Wilson
as DC Taran Kholi
as Ian Whenby
as DCC Chapman
as Joy Blakefield
as Liz Pascoe
as Mrs Pascoe
as Helena Adarkwa
as Sidney Jeffreys
as Linda Mann
as Gavin Hopkirk
as Peter Gill
as Sheona York
as Jackie Foggin
as Dawn Ashworth
as Tania Patel
