Overview

• Michael Chernus portrays John Wayne Gacy, with Gabriel Luna as Detective Rafael Tovar and Michael Angarano as attorney Sam Amirante.
• Peacock released new production photos alongside the trailer, including images of Greg Bryk and Marin Ireland as Robert Piest’s parents.
• The series adapts Peacock’s 2021 NBC News Studios docuseries and shifts focus to victims’ lives and the systemic failures that let the killings continue.
• Footage underscores Gacy’s public image as a model citizen contrasted with the investigation’s mounting evidence and families’ grief.
• Showrunner Patrick Macmanus leads the production for Littleton Road Productions with NBC News Studios and UCP, with all episodes launching simultaneously on Peacock.