The Killer Next Door (2021) | Full Cast

Todd Cobery

DIRECTOR

Andy Awes

DIRECTOR

Maya Washington

DIRECTOR

John Douglas

Self

Dave Bellmont

Robert Ressler

Gus Mahoney

Background talent

Jacob Jensen

Young John Douglas

Emily Sue Bengtson

Dawn Smith

Molly Ryman

Roslyn Falco

Cynthia Smith

Clarnell Stage

Sean Dooley

Bob Smith

Andrew Stecker

Philadelphia Police Officer

Josie Axelson

Shari Faye Smith

David Tufford

Parole Board Member

Erin Roberts

Postal Worker

Nick Wright

FBI Sound Mixer

Tyler Noble

Postal Worker

Sam Landman

John Wayne Gacey

Brian Cristofono

Lexington County Detective

Lucy Lawton

Rosalind Thorpe

Aimee K. Bryant

Parole Board Member

Trevor Keeth

Enforcer

Kyra Richardson

Sandra Lindsay

Alec Leonard

Carl Denaro

Shelli Manzoline

Becky Broder

Nels Lennes

Larry Gene Bell

Ben Shaw

Gary Heidnik

Ava Mingo

Josefina Rivera

Audrey Parker

Valentina Suriani

Avi Aharoni

David Berkowitz

Tyler Carlson

Young John Wayne Gacy

Konrad Case

Ed Kemper

Brandon Brooks

Timothy McCoy

Julian Felder

Background Talent

Charlie Nunn

Young Gary Heidnik

Abby Assefa

Background Talent

Cassie Osuji

Deborah Dudley

Hannah Nelson

Background Talent

Savannah Cherry

Background Talent

Steven Wothe Jr.

Detective

Reese Britts

Attica Corrections Officer

Henry Smith

Young Ed Kemper

Jon Steinhorst

Corrections Officer

Andrew Wheeler

Gacy's Father

Michael Hundevad

Alexander Esau

Emily Dooley

Hilda Smith

Max English

John Wayne Gacy as a child

Casey Radmann

Detective

Nelson Morlock

FBI Camera Operator

Hamed Hagi

Background Talent

Rebekah Hasenmueller

Rosemary Keenan

Matthew Branch

Officer Burton

Albert Melloy

David Cram

Jessa Frankenfield

Alice Liu

Andy Voyen

Background Talent

Melinda Korich

Parole Board Member