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