Dennis Nilsen: Gràdh a' Bhàis?

John Morrison

Himself - Presenter / Narrator

Peter Jay

Himself - DCI, Metropolitan Police, 1983

Iain MacDhùghaill

Himself - Criminal Defence Lawyer

Archie MacLullich

Himself - Consultant Psychologist

Pàdraig MacAmhlaigh

Himself - Journalist

Julian Booth

Himself - Forensic Psychologist

Brian Masters

Himself - Author, 'Killing for Company - The Case of Dennis Nilsen'

Elizabeth Scott

Herself - Nilsen's Mother

Neil McKinven

Dennis Nilsen

Ryan Fletcher

Victim Jamie

John Paul Hurley

DCS Chambers

Lewis Brown

Young Nilsen

Finlay McLean

Nilsen's Grandfather

Nicholas Underwood

DCI Peter Jay

Andy Marjoribanks

Solicitor

Eleanor Yule

Director, Writer

Patsi Mackenzie

Writer