First Aired
October 16, 2025
Last Aired
October 16, 2025
Original Language
en
Popularity
7
Type
Miniseries
Official Website
Production Companies
NBC News Studios
Littleton Road Productions
Seasons & Episodes
Episodes
Season 1 peels back the twisted layers of John Wayne Gacy's life while weaving in heartrending stories of his victims; exploring the grief, guilt, and trauma of their families and friends; and exposing the systemic failures, missed opportunities and societal prejudices that fueled his reign of terror.
Cast
Michael Chernus
John Wayne Gacy
Gabriel Luna
Det. Rafael Tovar
James Badge Dale
Chief of Detectives Joe Kozenczak
Michael Angarano
Sam Amirante
Chris Sullivan
Lead Prosecutor Bill Kunkle
Marin Ireland
Elizabeth Piest
Greg Bryk
Harold Piest
Cricket Brown
Kerry Piest
Ted Dykstra
Det. Allen Fanholm
Thom Nyhuus
Kenneth Piest
Jake Horowitz
David Cram
Hamish Allan-Headley
Det. Michael Albrecht
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