Loretta McLaughlin

Keira Knightley

Acting

Jean Cole

Carrie Coon

Acting

Jack Maclaine

Chris Cooper

Acting

Detective Conley

Alessandro Nivola

Acting

Detective Deline

Rory Cochrane

Acting

Albert DeSalvo

David Dastmalchian

Acting

Eddie Corsetti

Peter Gerety

Acting

Eddie Holland

Robert John Burke

Acting

Daniel Marsh

Ryan Winkles

Acting

James McLaughlin

Morgan Spector

Acting

Detective Donovan

Michael Malvesti

Acting

Maggie

Aurora McLaughlin

Acting

Tommy

Liam Anderson

Acting

Patrick

Antonio Volpicelli

Acting

Mary McDermott

Nancy E. Carroll

Acting

Kelly

Therese Plaehn

Acting

Frank Cole

Stephen Thorne

Acting

George Nassar

Greg Vrotsos

Acting

Gordon Nielson

Ian Lyons

Acting

Paul Dempsey

Christian Mallen

Acting

The Killer

Pat Fitz

Acting

Anne Samans

Pamela Jayne Morgan

Acting

Arthur

Robert C. Kirk

Acting

Fritz

Charlie Thurston

Acting

Phyllis

Kate Middleton

Acting

Stanley

Ivan Martin

Acting

Lifestyle Editor

Kate Avallone

Acting

Ellie

Tamara Hickey

Acting

F. Lee Bailey

Luke Kirby

Acting

Richard DeSalvo

Thomas Kee

Acting

Emmie

Kyra Weeks

Acting

Harrison

John Lee Ames

Acting

Old Addict

Richard O'Rourke

Acting

Detective Linski

James Ciccone

Acting

Commissioner McNamara

Bill Camp

Acting

Officer Dougan

Jimmy LeBlanc

Acting

Belmont Detective

Gary Galone

Acting

Old Desk Cop

David Conley

Acting

Sergeant Burke

Josh Drennen

Acting

Officer Sullivan

Brian Faherty

Acting

Jane Sullivan

Caroline Nesbit

Acting

Anna Slesers

Michele Proude

Acting

Claire

Grace Aiello Antczak

Acting

Nina Nichols

Sheriden Thomas

Acting

Helen Blake

Rosemary Howard

Acting

Sophie Clark

Kris Sidberry

Acting

Ida Irga

Sissy O'Hara

Acting

Beverly Samans

Kate Lynch

Acting

Strangler Victim

Corinne Ognibene

Acting

Assault Victim

Erin Rose

Acting

Young Woman

Caitlin Zerra Rose

Acting

Karen

Laura Darrell

Acting

Ms. Thompson

Lydia Harrell

Acting

Mrs. Quinn

Paula Plum

Acting

College Kid

Jake Casper

Acting

Building Super

Danny Connelly

Acting

Ida's Super

Frank Ridley

Acting

Dr. Grayson

Bill Mootos

Acting

Nurse Patty

Jennifer Lafleur

Acting

Nurse Deb McNulty

Danielle Perry

Acting

Psych. Orderly

Moira Driscoll

Acting

Director

Victor Warren

Acting

Brawny Detective

Bill Thorpe

Acting

Inmate

Mike Bash

Acting

Production Assistant

Marissa Carpio

Acting

Police Examiner

James Wilcox

Acting

JC Kim

Michael Tow

Acting

Herald Reporter

Jonathan Fielding

Acting

Officer Shanley

Owen Burke

Acting

Boston PD Detective (uncredited)

Al Conti

Acting