Des Episode #1.1 (Season 1, Episode 1)
TV Episode | 47 min | Biography, Crime, Drama

Des

Episode #1.1 (Season 1, Episode 1)

TV Episode | 47 min | Biography, Crime, Drama

On 9th February 1983, a grisly discovery alerts Hornsey Police to a serial killer, operating under their noses for years. DCI Peter Jay is stunned when meek Dennis 'Des' Nilsen freely admits to killing multiple men without knowing why.

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Cast	+ Add Cast
24 cast members

Name	Known for
David Tennant Dennis Nilsen Dennis Nilsen See fewer	Doctor Who (2005)
Daniel Mays DCI Peter Jay DCI Peter Jay See fewer	The Bank Job (2008)
Jason Watkins Brian Masters Brian Masters See fewer	The Crown (2016)
Ron Cook DSU Geoff Chambers DSU Geoff Chambers See fewer	Hot Fuzz (2007)
Barry Ward DI Steve McCusker DI Steve McCusker See fewer	Extra Ordinary (II) (2019)
Faye McKeever Linda Jay Linda Jay See fewer	The Responder (2022)
Ben Bailey Smith DC Brian Lodge DC Brian Lodge See fewer	Persuasion (I) (2022)
Bronagh Waugh Charlotte Proctor Charlotte Proctor See fewer	The Fall (I) (2013)
Laura Elphinstone Tilly Tilly See fewer	Line of Duty (2012)
Alex Bhat DS1 DS1 See fewer	Shardlake (2024)
Jay Simpson DS Chris Healey DS Chris Healey See fewer	Pistol (2022)
Tony Way Mike Cattran Mike Cattran See fewer	Edge of Tomorrow (2014)
Stuart McQuarrie Ronald Moss Ronald Moss See fewer	28 Days Later (2002)
Jonathan Coy Professor David Bowen Professor David Bowen See fewer	The Scarlet Pimpernel (1999)
Joel Morris Tim Wells Tim Wells See fewer	The Couple Next Door (2023)
Andy Jaye News Correspondent News Correspondent See fewer	Des (2020)
Oscar Salem Juan (as Oscar Garland) Juan (as Oscar Garland) See fewer	The Substance (2024)
Cal MacAninch Neil Sinclair Neil Sinclair See fewer	Downton Abbey (2010)
Pauline Turner Elizabeth Sinclair Elizabeth Sinclair See fewer	Martin Chuzzlewit (1994)
Ross Anderson Douglas Stewart Douglas Stewart See fewer	Crawl (I) (2019)
Beth Goddard Frances Frances See fewer	X-Men: First Class (2011)
Richard David Law Detective (2) (uncredited) Detective (2) (uncredited) See fewer	Truth Seekers (2020)
Marian Lorencik Press (uncredited) Press (uncredited) See fewer	Sekhmet's Awakening
Harry Dave McLaren Paparazzi (uncredited) Paparazzi (uncredited) See fewer	Gatwick Gangsters (2017)