Episode 1
Episode 2
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.
David Threlfall
DCS David Baker
John Simm
Alec Jeffreys
Anna Madeley
Sue Jeffreys
Andrew Tiernan
DS Geoff Taylor
Lorcan Cranitch
DI Alan Madden
Dorothy Atkinson
Barbara Ashworth
Neil Edmond
Robin Ashworth
Hannah Walters
Kath Eastwood
Ged Simmons
Eddie Eastwood
Lydia Rose Bewley
Vicky Wilson
Jaz Deol
DC Taran Kholi
Adam Nagaitis
Ian Whenby
Robert Glenister
DCC Chapman
Siobhan Redmond
Joy Blakefield
Sarah Andre White
Liz Pascoe
Esther Coles
Mrs Pascoe
Rakie Ayola
Helena Adarkwa
Paul Copley
Sidney Jeffreys
Jessica Hargreaves
Linda Mann
Tobias Burton-Rudge
Gavin Hopkirk
Paul Lancaster
Peter Gill
Katie Lightfoot
Sheona York
Becci Gemmell
Jackie Foggin
Emma Lundy
Dawn Ashworth
Farzana Dua Elahe
Tania Patel
James Strong
Director
Michael Crompton
Writer
Andrew Boswell
Executive Producer
Harry Eastwood
Peter Hampden
Simon Heath
Priscilla Parish
Producer
Roderick Seligman
Glenn Gregory
Original Music Composer
Matt Gray
Director of Photography
Mike Jones
Editor
Jill Trevellick
Casting
Richard Field
Art Direction
Claire Levinson-Gendler
Set Decoration
Ray Holman
Costume Design
Alana Campbell
Makeup Artist
JoJo Williams
