Loretta McLaughlin

Keira Knightley

Jean Cole

Carrie Coon

Detective Conley

Alessandro Nivola

Jack Maclaine

Chris Cooper

Detective Deline

Rory Cochrane

Albert DeSalvo

David Dastmalchian

James McLaughlin

Morgan Spector

Eddie Holland

Robert John Burke

Eddie Corsetti

Peter Gerety

Daniel Marsh

Ryan Winkles

Detective Donovan

Michael Malvesti

Maggie

Aurora McLaughlin

Fritz

Charlie Thurston

Tommy

Liam Anderson

Mary McDermott

Nancy E. Carroll

Burke

Josh Drennen

Patrick

Antonio Volpicelli

The Director

Victor Warren

Kelly

Therese Plaehn

Mauro Lannini

Frank Cole

Stephen Thorne

George Nassar

Greg Vrotsos

Gordon Nielson

Ian Lyons

Paul Dempsey

Christian Mallen

The Killer

Pat Fitz

Patrick

Antonio X Volpicelli

Paul Dempsey

Christian J. Mallen

Anne Samans

Pamela Jayne Morgan

Arthur

Robert C. Kirk

Phyllis

Kate Middleton

Stanley

Ivan Martin

Lifestyle Editor

Kate Avallone

Ellie

Tamara Hickey

F. Lee Bailey

Luke Kirby

Richard DeSalvo

Thomas Kee

Emmie

Kyra Weeks

Harrison

John Lee Ames

Old Addict

Richard O'Rourke

Detective Linski

James Ciccone

Commissioner McNamara

Bill Camp

Officer Dougan

Jimmy LeBlanc

Belmont Detective

Gary Galone

Old Desk Cop

David Conley

Officer Sullivan

Brian Faherty

Jane Sullivan

Caroline Nesbit

Anna Slesers

Michele Proude

Claire

Grace Aiello Antczak

Nina Nichols

Sheriden Thomas

Helen Blake

Rosemary Howard

Sophie Clark

Kris Sidberry

Ida Irga

Sissy O'Hara

Beverly Samans

Kate Lynch

Strangler Victim

Corinne Ognibene

Assault Victim

Erin Rose

Young Woman

Caitlin Zerra Rose

Karen

Laura Darrell

Ms. Thompson

Lydia Harrell

Mrs. Quinn

Paula Plum

College Kid

Jake Casper

Building Super

Danny Connelly

Ida's Super

Frank Ridley

Dr. Grayson

Bill Mootos

Nurse Patty

Jennifer Lafleur

Nurse Deb McNulty

Danielle Perry

Psych. Orderly

Moira Driscoll

Brawny Detective

Bill Thorpe

Inmate

Mike Bash

Production Assistant

Marissa Carpio

Police Examiner

James Wilcox

JC Kim

Michael Tow

Herald Reporter

Jonathan Fielding

Officer Shanley

Owen Burke

Boston PD Detective (uncredited)

Al Conti