Diretor/a
Áine O'Neill
DIRETOR/A
Charlotte Blennerhassett
Derek Dillon
Emile Dinneen
Michael Staines
Alan Markey
Elenco (na ordem dos créditos)
Alex Warner
Self - Narrator
Michael Lehane
COP #2
Glenn Bukata
Self - Homicide Detective
Michael Patrick Breen
Brett Bednarz
Brian Matthews Murphy
Gerald Tuttle
Chris Mc Morrow
Coroner
David McMahon
John Mulhall
Mary Ellen O'Toole
Self - Retired FBI Profiler
Martin Gilligan
Detective Mark Hassett
Stewart Mosher
Self - Crime Scene Unit Sergeant
Max Francis
Alan McCarthy -Security guard
Gerry Cannon
Samuel Speers
Desmond Edwards
DCI Roy McCombe
Paul Sparkes
Tony McCluskie
Martin McDonagh
dective Daniel Herman
Mark E. Safarik
Paul Murphy
Captain Todd Morris
David Holmes
Self - Criminal Psychologist
Maria Cramer
Self - Reporter, The Boston Globe
Rod Chaytor
Self - Journalist
Aaron Adamson
Angus Sinclair
Susan Mustafa
Self - Author
Terri Lemoine
Self - Former Partner
Michele McPhee
Nicola Murphy
Gemma McCluskie
Theresa O'Connor
Barbara Britton
Ronke Phillips
Self - News Correspondent
Sinead Cassidy Holt
Sandra
Charlie Duffy
Young Child
David McDavid
Self - Zachary Police Department
Donna Velazquez
Self - Detective, Pembroke Pines
Andrew McNeill
Joseph Kappen
David Crigman
Self - Prosecuting Counsel
Angela Ross
Self - Forensic DNA Analyst
David Frankel
Self - Former Prosecutor
Rebecca Ryan
Teen Girl
Kris Taylor
Michael McCarthy (murderer)
Daniel Conley
Self - District Attorney
Else Kvist
Mark Rasch
Self - Head of Security
John Nicholson
Self - Detective Inspector
Ed Gleave
Sudhir Sinha
Self - Molercular Biologist
John Sinquefield
Self - Prosecutor
Todd Morris
Self - Baton Rouge Police Department
Robyn Trout
Leanne Vilday
Judy Winthrop
Self - David's Mother
Jeff Methvin
Self - FBI Special Agent
Clara White
Linda Mulhall
Daniel Duff
Self - Boston Police Department
Colin Malone
Detective
Megan Moroney
Phyllis Murphy
Louis B. Schlesinger
Self - Forensic Psychologist
Josh Keats
Self - New York State Police
Monica Quaal
Self - DNA Technical Leader
Clifford Shepard
Self - Los Angeles Detective
Jude Victorian
Self - Retired Detective
Lynseyann Mulvey
Woman
Bob Taylor
Self
Scott Patronik
Self - Erie County Sheriff's Office
Helen Desbois
Fatima Loughran
Nilsa Arizmendi
Liam Murphy
State Trooper Kevin Foley
Patrick O'Sullivan
Self - Detective, East Hartford Police Dept.
Paul Johnston
Jeffrey Kulikowsky
Self - Senior Reporter
Geraldine Taylor
Self - Sister
Anne K. Howard
Ronya A. Phoenix
Linda Nichols
David Zagaja
Self - Senior Asst. State's Attorney, State of Connecticut
Peter Massey
Self - Crime Scene Investigator
Billy Fraser
Self - Former Detective
Michael D. Norton
Self - Onondaga Co. Sheriff's Department
Ken Case
Self - Former Asst. District Attorney
Sean McTighe
Self - Former Detective Investigator
Dwain Grimmet
Self - Investigator
Tony Mancuso
Self - Sheriff, Calcasieu Parish
Jeff Schober
George Schiro Jr.
Self - Former Forensic Serologist
Fergus Foran
Police Officer
David Hinchcliffe
Linda Nicholas
Alan Rozansky
Christina Johnston
Self - Evidentiary Services Department, East Hartford Police Dept.
Beth McGee
Self - Calcasieu Parish Sheriff's Office
Tony Gardner
Alan Kenny
Keith garveau
Dennis Kilcoyne
Dominick Spinelli
Tracey Millington-Jones
Thomas Ridges
Self - Fomer Kings County Asst. D.A.
David Owens
Self - Reporter, Hartford Courant
Gregory Savage
Perry Gallow
Self - Chief of Police
Terry Welke
Self - Coroner
Kenneth Taub
Self - Kings County Deputy D.A.
Mark de Carreau
James Biela
Breda Hegarty
Bridgette Denison
Stevie Greaney
Detective Mark VanNamme
Nicole O'Connor
Lynette White
Anne Doyle
Tracey Andrews
Keith Smylie
Jamie Saffran
Eamonn Elliott
David Courtney(uncredited)
Nicola Whelan
Candace Bendarz(uncredited)
Alex Toth
Forensic Detective(uncredited)