Keira Knightley
Loretta McLaughlin
Acting
Carrie Coon
Jean Cole
Acting
Chris Cooper
Jack Maclaine
Acting
Alessandro Nivola
Detective Conley
Acting
Rory Cochrane
Detective Deline
Acting
David Dastmalchian
Albert DeSalvo
Acting
Peter Gerety
Eddie Corsetti
Acting
Robert John Burke
Eddie Holland
Acting
Ryan Winkles
Daniel Marsh
Acting
Morgan Spector
James McLaughlin
Acting
Michael Malvesti
Detective Donovan
Acting
Aurora McLaughlin
Maggie
Acting
Liam Anderson
Tommy
Acting
Antonio Volpicelli
Patrick
Acting
Nancy E. Carroll
Mary McDermott
Acting
Therese Plaehn
Kelly
Acting
Stephen Thorne
Frank Cole
Acting
Greg Vrotsos
George Nassar
Acting
Ian Lyons
Gordon Nielson
Acting
Christian Mallen
Paul Dempsey
Acting
Pat Fitz
The Killer
Acting
Pamela Jayne Morgan
Anne Samans
Acting
Robert C. Kirk
Arthur
Acting
Charlie Thurston
Fritz
Acting
Kate Middleton
Phyllis
Acting
Ivan Martin
Stanley
Acting
Kate Avallone
Lifestyle Editor
Acting
Tamara Hickey
Ellie
Acting
Luke Kirby
F. Lee Bailey
Acting
Thomas Kee
Richard DeSalvo
Acting
Kyra Weeks
Emmie
Acting
John Lee Ames
Harrison
Acting
Richard O'Rourke
Old Addict
Acting
James Ciccone
Detective Linski
Acting
Bill Camp
Commissioner McNamara
Acting
Jimmy LeBlanc
Officer Dougan
Acting
Gary Galone
Belmont Detective
Acting
David Conley
Old Desk Cop
Acting
Josh Drennen
Sergeant Burke
Acting
Brian Faherty
Officer Sullivan
Acting
Caroline Nesbit
Jane Sullivan
Acting
Michele Proude
Anna Slesers
Acting
Grace Aiello Antczak
Claire
Acting
Sheriden Thomas
Nina Nichols
Acting
Rosemary Howard
Helen Blake
Acting
Kris Sidberry
Sophie Clark
Acting
Sissy O'Hara
Ida Irga
Acting
Kate Lynch
Beverly Samans
Acting
Corinne Ognibene
Strangler Victim
Acting
Erin Rose
Assault Victim
Acting
Caitlin Zerra Rose
Young Woman
Acting
Laura Darrell
Karen
Acting
Lydia Harrell
Ms. Thompson
Acting
Paula Plum
Mrs. Quinn
Acting
Jake Casper
College Kid
Acting
Danny Connelly
Building Super
Acting
Frank Ridley
Ida's Super
Acting
Bill Mootos
Dr. Grayson
Acting
Jennifer Lafleur
Nurse Patty
Acting
Danielle Perry
Nurse Deb McNulty
Acting
Moira Driscoll
Psych. Orderly
Acting
Victor Warren
Director
Acting
Bill Thorpe
Brawny Detective
Acting
Mike Bash
Inmate
Acting
Marissa Carpio
Production Assistant
Acting
James Wilcox
Police Examiner
Acting
Michael Tow
JC Kim
Acting
Jonathan Fielding
Herald Reporter
Acting
Owen Burke
Officer Shanley
Acting
Al Conti
Boston PD Detective (uncredited)
Acting