Cast
Michael Chernus
John Wayne Gacy • 8 episodes
Gabriel Luna
Det. Rafael Tovar • 8 episodes
James Badge Dale
Chief of Detectives Joe Kozenczak • 8 episodes
Michael Angarano
Sam Amirante • 8 episodes
Chris Sullivan
Lead Prosecutor Bill Kunkle • 8 episodes
Marin Ireland
Elizabeth Piest • 8 episodes
Greg Bryk
Harold Piest • 8 episodes
Ryker Baloun
Rob Piest • 2 episodes
Etienne Kellici
Samuel Stapleton • 2 episodes
Finlay Wojtak-Hissong
Randy Reffett • 1 episodes
Robert Meynell
Donald Voorhees Sr. • 1 episodes
Andrew Johnston
Donald Voorhees Jr • 1 episodes
Joshua Kilimnik
Teenage Gacy • 1 episodes
Max Mattern
Billy Carroll • 1 episodes
Mason Versaw
Robert Donnelly • 2 episodes
Jake Horowitz
David Cram • 3 episodes
Brayden Raqueño
Dale Landingin • 1 episodes
Hamish Allan-Headley
Det. Michael Albrecht • 3 episodes
Ted Dykstra
Det. Allen Fanholm • 5 episodes
Cricket Brown
Kerry Piest • 6 episodes
Nina Kiri
Mary Amirante • 3 episodes
Alex Paxton-Beesley
Helen • 2 episodes
Lynne Griffin
Gladys • 1 episodes
Thom Nyhuus
Kenneth Piest • 4 episodes
Desmond Sivan
Fred Tovar • 1 episodes
Levi Shelton
John 'Johnny' Szyc • 1 episodes
Tom Barnett
Richard Szyc • 1 episodes
Chloe Avakian
Patti Szyc • 3 episodes
Eva Foote
Carol Gacy • 2 episodes
Mitchell Court
Eldest Szyc Son • 1 episodes
Yona Epstein-Roth
Cliff • 1 episodes
Rolando Alvarez Giacoman
Janitor • 1 episodes
Megan Murphy
Lynn Meadows • 1 episodes
Mary Wiseman
Karen Gacy • 1 episodes
Krista Bridges
Rosemary Szyc • 2 episodes
Kristine Nielsen
Marion Gacy • 2 episodes
Sprague Grayden
Bessie Stapleton • 3 episodes
Lena Pepe
Juanita • 2 episodes
Krista Bridges
Rosemarie Szyc • 3 episodes
Christian Bako
Marko Butkovich • 2 episodes
Dan Lett
Dr. Stein • 1 episodes
Jim Annan
Judge Louis Garippo • 2 episodes
Samantha Adams
Marlynn Gacy • 1 episodes
Mallory Bechtel
Mary Jane • 2 episodes
Brenda Bazinet
Eugenia Godzik • 1 episodes
Jessie Behan
Young Marion Gacy • 1 episodes
Kathryn Bellamy
Beth • 1 episodes
Quincy Tyler Bernstine
Dr. Healy • 1 episodes
Alec Dahmer
Rookie Cop • 1 episodes
Michael Esper
Bob Motta • 3 episodes
Colton Ryan
Billy Kindred • 1 episodes
Nigel Shawn Williams
John Davis • 1 episodes
Augustus Prew
Jeffrey • 3 episodes
Ianne Fields Stewart
Sophia St. Laurent • 1 episodes
Ish Morris
Guard Jenkins • 1 episodes
Lizzie Moffatt
Young Woman 1 • 1 episodes
Aidan Pinsler
Young Male • 1 episodes
Amanda Cheung
Hot Girl • 1 episodes
Matthew Chiarelli
Delivery Man 1 • 1 episodes
Mira Skye Korngold
Waitress • 1 episodes
Sam Wexler
Delivery Man 2 • 1 episodes
Gavin Lewis
Timothy McCoy • 1 episodes
Crede Cooper
John Butkovich • 1 episodes
Ryker Baloun
Robert Piest • 2 episodes
Thomas Mitchell Barnet
Phil Torf • 1 episodes
Alexander Crowther
Detective Janus • 1 episodes
Christopher Jacot
Detective Everford • 1 episodes
Jarrod Vanvolkenburg
Jerry Latherow • 1 episodes
Aidan Wojtak-Hissong
Randy Reffett • 1 episodes
Cameron Brodeur
Michael Rossi • 1 episodes
Brandon McEwan
Philip Paske • 1 episodes
Luke Humphrey
Terry Sullivan • 1 episodes
Aidan Gouveia
Greg Godzik • 1 episodes
Rayisa Kondracki
Geraldine • 1 episodes
Daniel Griffin
Charlie Reynolds • 1 episodes
Dwight Ireland
Press Conference Reporter • 1 episodes
E. Fegan DeCordova
Reporter • 1 episodes
Karrie Kwong
Reporter • 1 episodes
Ella Rae Peck
Rose Perino • 1 episodes
R Austin Ball
Ron Dovenek • 1 episodes
Morgan Kelly
Fred Richman • 1 episodes
Dylan Taylor
CPD Officer O'Neal • 1 episodes
Lauren Collins
Genie Godzik • 1 episodes
Kylee Evans
Deanna Amirante • 1 episodes
Marcia Bennett
Delores Nieder • 1 episodes
Crew
Creator
Patrick Macmanus
Creator
Directing
Patrick Macmanus
Director • 1 episodes
Ashley Michel Hoban
Director • 1 episodes
Maggie Kiley
Director • 2 episodes
Larysa Kondracki
Director
Bille Woodruff
Director • 2 episodes
