The story of one of the most infamous cases in UK criminal history, that of serial killer Dennis Nilsen. Told through the prism of three men, the series explores the personal and professional consequences of coming into contact with a man like Nilsen.
David Tennant
as Dennis Nilsen
Daniel Mays
as DCI Peter Jay
Jason Watkins
as Brian Masters
Ron Cook
as DSI Chambers
Faye McKeever
as Linda Jay
Barry Ward
as DI Steve McCusker
Ben Bailey Smith
as DC Brian Lodge
Alex Bhat
as DS Jones
Jay Simpson
as DS Chris Healey
Bronagh Waugh
as Charlotte Proctor
Joel Morris
as Tim Wells
Laurie Kynaston
as Carl Stottor
Episode 1
Episode 2
Episode 3
