Reparto (por orden de créditos)
Lina Haji
Self - Forensic Psychologist
Jen Hough
Self - Criminologist
Rob Poland
Self - Narrator
Paul Cheston
Self - Journalist & Author
John Cabrera
Self - Former Homicide Detective, Sacramento Police Department
Dan Bacalski
Self - Deputy District Attorney, Riverside County
Troy Cole
Self - Former Detective Sergeant, Kansas City PD
Andy Tennet
Self - Former Detective Inspector, Northamptonshire Police
Peter Barren
Self - Former Editor, The Northern Echo
Graham Bartlett
Self - Former Detective, East Sussex Police
Roy Orth
Self - Detective Sergeant, Kansas City PD
Carol Quinn
Self - Claire's Mum
John Matthews
Self - Former Detective Sergeant, Cleveland Police
John Moreton
Self - Former Detective Constable
Harry Quinn
Self - Claire's Stepdad
Teresa Rooney
Self - Sister of John LaMay
Martin Kuz
Self - Journalist
Paul Smith
Self - Former Police Constable
Rick Holtsclaw
Self - Assistant Prosecutor
Laura Santos
Self - Former Sacramento County Deputy Coroner
Roger Shearn
Self - Principal Identification Officer, Fingerprint Bureau, New Scotland Yard
Stuart Hamilton
Self - Home Office Pathologist
Diane Beal
Self - Claire's Best Friend
John L. Breault III
Self - Deputy District Attorney, Los Angeles
Malcolm Bacon
Self - Former Detective Inspector
Jeff Riley
