Self - Presenter (22 episodes, 2011-2013)
Self - Criminologist / Self - Expert Presenter (22 episodes, 2011-2013)
Reconstruction Actor / Derek Astin (9 episodes, 2011-2013)
Reconstruction Actor (7 episodes, 2011-2013)
Police Officer (1 episode, 2011-2012)
Reconstruction Actor (4 episodes, 2012)
Reconstruction Actor / Timothy Evans (3 episodes, 2011-2012)
Reconstruction Actor / Bessie Mundy (3 episodes, 2011-2012)
Reconstruction Actor / Harold Jones (3 episodes, 2011-2012)
Police Officer / Policeman / Workman (3 episodes, 2013)
Jury member / Lucan friend / Reconstruction Actor (3 episodes, 2011-2012)
Self - Chief Executive, Unlock (3 episodes, 2011-2012)
Billy / PC Fairfax / Policeman (3 episodes, 2011-2012)
Reconstruction Actor / Lord Lucan (3 episodes, 2012)
Reconstruction Actor (3 episodes, 2012)
Reconstruction Actor / Keith Bennett (3 episodes, 2013)
Reconstruction Actor (2 episodes, 2011)
Desmond Cussen / McSwan (2 episodes, 2011)
Reconstruction Actor / Various (2 episodes, 2011)
Reconstruction Actor / Ronald Jebson (Younger) (2 episodes, 2013)
Reconstruction Actor (2 episodes, 2011-2012)
Older Ian Brady / Reconstruction Actor (2 episodes, 2013)
Self - Forensic Linguist (2 episodes, 2011)
Anne Kneilands / Susan Blatchford (2 episodes, 2012-2013)
Self - Author, 'Greater London Murders' / Self - Author, 'Lord Lucan Mystery' (2 episodes, 2012-2013)
David McGreavy / Reconstruction Actor (2 episodes, 2012-2013)
Reconstruction Actor (2 episodes, 2012)
Ian Brady / Reconstruction Actor (2 episodes, 2013)
Dog Walker / Police Officer (2 episodes, 2013)
Reconstruction Actor (2 episodes, 2013)
John George Haigh (JR) (1 episode, 2011)
Ruth Ellis (1 episode, 2011)
Lady in Court (1 episode, 2011)
Reconstruction Actor (1 episode, 2011)
Fred Young (1 episode, 2011)
Self - Author, 'Psychopath: The Case of Patrick MacKay' (1 episode, 2012)
Self - Author, 'The Blackout Murders' (1 episode, 2012)
Reconstruction Actor (1 episode, 2013)
James Hanratty (1 episode, 2013)
John George Haigh (1 episode, 2011)
Molly Young (1 episode, 2011)
Self - Author, 'Scenes of Murder' (1 episode, 2012)
Self - WPC, Kent Police (1 episode, 2012)
Mary Ann Nichols (1 episode, 2013)
Graham Young (JR) (1 episode, 2011)
George Joseph Smith (1 episode, 2011)
Beryl Evans (1 episode, 2011)
Self - Detective Inspector for Kent Police, 1961-1993 (1 episode, 2012)
Self - Crime Scene Expert (1 episode, 2012)
Graham Young (1 episode, 2011)
Self - Crime Writer (1 episode, 2012)
Self - Defence Solicitor (1 episode, 2012)
Mary Jane Kelly (1 episode, 2013)
Ethel Christie (1 episode, 2011)
Donald Neilson (1 episode, 2011)
Judge (1 episode, 2011)
Elizabeth Stride (1 episode, 2013)
Spilsbury (1 episode, 2011)
John Christie (1 episode, 2011)
Self - Nephew of Haigh's Neighbour (1 episode, 2011)
Self - Home Office Pathologist (1 episode, 2011)
Self - Author & Screenwriter (1 episode, 2011)
Self - Biographer (1 episode, 2011)
Self - Daughter of Justice Cecil Havers (1 episode, 2011)
Self - Senior Lecturer in Law Bristol University (1 episode, 2011)
Self - Welsh Police Historian (1 episode, 2011)
Self - DCS, Staffordshire Police 1946-1977 (1 episode, 2011)
Chrisopher Craig (1 episode, 2011)
Self - Retired Teacher, Kingswood Approved School (1 episode, 2011)
Self - Employee of John Hadlands Ltd., 1969-1984 (1 episode, 2011)
Self - Author of 'Every Mother's Nightmare' (1 episode, 2011)
Self - Niece of Derek Bentley (1 episode, 2011)
Self - Human Rights Lawyer, 1962-1999 (1 episode, 2011)
Self - Author, 'The Magnificent Spilsbury' (1 episode, 2011)
Self - Niece of Florence Little (1 episode, 2011)
Self - Author, 'The Acid Bath Murders' (1 episode, 2011)
Derek Bentley (1 episode, 2011)
Self - Former Robber (1 episode, 2011)
Self - Former Hotel Porter (1 episode, 2011)
Self - Metropolitan Police Force, 1935-1954 (1 episode, 2011)
Self - Forensic Scientist (1 episode, 2011)
Self - Senior Reporter, Shropshire Star 1972-1994 (1 episode, 2011)
Self - Former Police Constable (1 episode, 2011)
Self - Author, 'Up West' (1 episode, 2011)
Self - Witness (1 episode, 2011)
Self - Author, 'The Young Poisoner's Handbook' (1 episode, 2011)
Reconstruction Actor (1 episode, 2012)
John Straffen (1 episode, 2012)
Dorothy Scott-Ellis (1 episode, 2012)
Peter Manuel (1 episode, 2012)
Self - Detective Superintendent, Merseyside Police, 1964-1998 (1 episode, 2012)
Michael Kitto (1 episode, 2012)
Self - Reporter, Evening Standard 1971-1976 (1 episode, 2012)
Patrick MacKay (1 episode, 2012)
Self - Glasgow Evening News, 1955-1958 (1 episode, 2012)
Self - Constable, Dumfries & Galloway Police (1 episode, 2012)
Self - Author, 'Lord Lucan: What Really Happened' (1 episode, 2012)
Self - Author, 'Staffordshire Murders' (1 episode, 2012)
Self (1 episode, 2012)
Self - Author, 'Bristol & Bath: Whodunnit?' (1 episode, 2012)
Self - Sister of Victim Martin Brown (1 episode, 2012)
Self - Detective Chief Inspector, Northumbria Police, 1963-1996 (1 episode, 2012)
Self - Childhood Friend of Victim Michael Smart (1 episode, 2012)
Self - Author, 'The Monster Butler' (1 episode, 2012)
Child (1 episode, 2012)
Self - Author, 'Peter Manuel: Serial Killer' (1 episode, 2012)
Self - Superjam Founder (1 episode, 2012)
Self - Fashion Illustrator (1 episode, 2012)
Self - Chief Inspector, Northumbria Police, 1964-1995 (1 episode, 2012)
Self - Open University (1 episode, 2012)
Self - Operational Divisional Detective, West Midlands Police, 1958-1988 (1 episode, 2012)
Self - Solicitor (1 episode, 2012)
Self - University of East London (1 episode, 2012)
Self - Journalist (1 episode, 2012)
Brenda Goddard (1 episode, 2012)
Self - Detective Sergeant, Staffordshire Police, 1956-1991 (1 episode, 2012)
Lady Lucan (1 episode, 2012)
Vivian Watt (1 episode, 2012)
Self - Sergeant, Metropolitan Police 1965-1991 (1 episode, 2012)
Self - Criminologist (1 episode, 2013)
CID Officer (1 episode, 2013)
Detective (1 episode, 2013)
Mother of Armin Meiwes (1 episode, 2013)
Self - Forensic Expert (1 episode, 2013)
Self - Criminal Psychologist (1 episode, 2013)
Gisela Friedrichsen (1 episode, 2013)
Self - Detective Chief Superintendent, Greater Manchester Police, 1967-1997 (1 episode, 2013)
Self - Detective Superintendent, Metropolitan Police (1 episode, 2013)
Police Officer (1 episode, 2013)
Self - Journalist, Der Spiegel (1 episode, 2013)
Self (1 episode, 2013)
DI Declan Donnelly (1 episode, 2013)
Bernd Brandes (1 episode, 2013)
Paul Ralph (1 episode, 2013)
Self - Author, 'Blind Justice' (1 episode, 2013)
Gary Hanlon (1 episode, 2013)
Defence Lawyer (1 episode, 2013)
Pauline Reade (1 episode, 2013)
Policeman (1 episode, 2013)
Self - Brother of Gary Hanlon (1 episode, 2013)
Voiceover Artist (1 episode, 2013)
Self - Hanratty Family Lawyer (1 episode, 2013)
Self - Friend of Rosemary Papper (1 episode, 2013)
Self - Author, 'CSI: Whitechapel' (1 episode, 2013)
Self - James Hanratty's Brother (1 episode, 2013)
Self - Witness (1 episode, 2013)
Armin Meiwes (1 episode, 2013)
(1 episode, 2013)
Doctor (1 episode, 2013)
Self - Childhood Friend & Neighbour (1 episode, 2013)
Self - Forensic Pathologist (1 episode, 2013)
Self - Defence Attoney (1 episode, 2013)
Older Myra Hindley (1 episode, 2013)
Michael Gregsten (1 episode, 2013)
Self - Media Commentator & Ex Editor Sunday Mirror (1 episode, 2013)
Self - Mother of Gary Hanlon (1 episode, 2013)
Wife (1 episode, 2013)
Rosemary Papper (1 episode, 2013)
Ronald Jebson (Older) (1 episode, 2013)
Self - Mother of Victims (1 episode, 2013)
Elsie Ralph (1 episode, 2013)
Dawn Ralph (1 episode, 2013)
Self - Court Reporter (1 episode, 2013)
Self - Author, 'Myra Hindley: Inside the Mind of a Murderess' (1 episode, 2013)
Alice Burnham (uncredited) (1 episode, 2011)
Self in Demonstration (uncredited) (1 episode, 2011)
David Blakely (uncredited) (1 episode, 2011)
(uncredited) (1 episode, 2012)
Maureen hindley (uncredited) (1 episode, 2013)