Directed by:
James StrongScreenplay:
Michael CromptonCinematography:
Matt GrayComposer:
Glenn GregoryCast:
David Threlfall, John Simm, Lydia Rose Bewley, Tobias Burton-Rudge, Paul Copley, Lorcan Cranitch, Farzana Dua Elahe, Robert Glenister, Anna Madeley (more)Plots(1)
The story of Alec Jeffreys' discovery of DNA fingerprinting and its first use by DCS David Baker in catching a double murderer. (official distributor synopsis)
Cast
![David Threlfall](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/161/941/161941296_7765ce.jpg)
David Threlfall
UK
Best movies:
Conspiracy (2001) (TV movie)
Ripper Street (2012) (series)
Master and Commander: The Far Side of the World (2003)
![John Simm](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/271/271827_051389.jpg)
John Simm
UK
Best movies:
Human Traffic (1999)
24 Hour Party People (2002)
Code of a Killer (2015) (TV movie)
![Lydia Rose Bewley](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/504/166504350_37639c.jpg)
Lydia Rose Bewley
UK
Best movies:
Code of a Killer (2015) (TV movie)
The Inbetweeners (2011)
Persuasion (2022)
Tobias Burton-Rudge
Best movies:
Code of a Killer (2015) (TV movie)
![Paul Copley](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/510/160510977_ac8141.jpg)
Paul Copley
UK
Best movies:
Hornblower: The Even Chance (1998) (TV movie)
Hornblower: The Examination for Lieutenant (1998) (TV movie)
Hornblower: The Frogs and the Lobsters (1999) (TV movie)
![Lorcan Cranitch](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/158/673/158673990_59b94e.jpg)
Lorcan Cranitch
Ireland
Best movies:
Hornblower: Duty (2003) (TV movie)
Hornblower: Loyalty (2003) (TV movie)
Inspector George Gently (2007) (series)
Farzana Dua Elahe
UK
Best movies:
Code of a Killer (2015) (TV movie)
The Hundred-Foot Journey (2014)
Prince of Persia: The Sands of Time (2010)
![Robert Glenister](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/778/162778242_133c09.jpg)
Robert Glenister
UK
Best movies:
Hitler: The Rise of Evil (2003) (TV movie)
Between the Sheets (2003) (series)
Inspector George Gently (2007) (series)
![Anna Madeley](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/166/258/166258581_81355d.jpg)
Anna Madeley
UK
Best movies:
The Crucible (2014)
In Bruges (2008)
Agatha Christie: Poirot (1989) (series)
![Andrew Tiernan](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/272/272583_456934.jpg)
Andrew Tiernan
UK
Best movies:
The Pianist (2002)
Lock, Stock and Two Smoking Barrels (1998)
Hornblower: The Examination for Lieutenant (1998) (TV movie)
![Adam Nagaitis](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/627/162627988_0852b5.jpg)
Adam Nagaitis
UK
Best movies:
Chernobyl (2019) (series)
The Last Duel (2021)
Code of a Killer (2015) (TV movie)
![Lucy Carless](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/197/162197867_6b2b48.jpg)
Lucy Carless
Best movies:
Code of a Killer (2015) (TV movie)
Lasco Atkins
China
Best movies:
Sherlock (2010) (series)
Batman Begins (2005)
Endeavour (2012) (series)
Hannah Walters
Best movies:
This Is England (2006)
Boiling Point (2021)
Code of a Killer (2015) (TV movie)
Rakie Ayola
UK
Best movies:
Now Is Good (2012)
Code of a Killer (2015) (TV movie)
Brexit (2019) (TV movie)
Ged Simmons
UK
Best movies:
Code of a Killer (2015) (TV movie)
Shiner (2000)
Chris Cowlin
UK
Best movies:
Rush (2013)
The Imitation Game (2014)
The Escape Artist (2013) (series)
Siobhan Redmond
UK
Best movies:
Code of a Killer (2015) (TV movie)
Mary Shelley's Frankenstein (1994)
Look Back in Anger (1989) (TV movie)
![Dorothy Atkinson](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/756/162756940_28c83b.jpg)
Dorothy Atkinson
UK
Best movies:
Code of a Killer (2015) (TV movie)
Maigret (2016) (series)
All or Nothing (2002)
Jaz Deol
Best movies:
Code of a Killer (2015) (TV movie)
Viceroy's House (2017)