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The scripted series is a companion to Peacock's 2021 docuseries John Wayne Gacy: Devil in Disguise, and it consciously centers the victims and the investigation rather than glamorizing the killer at their expense.
Michael Chernus, familiar from Severance and Orange Is the New Black, underwent a physical transformation to play Gacy, and his performance helped the show earn a rare 96 percent critics' score on Rotten Tomatoes.
Produced by NBC News Studios and Universal Content Productions, the series comes from creator Patrick Macmanus, known for true-crime dramas such as Dr. Death and The Girl from Plainville.
Devil in Disguise: John Wayne Gacy is a Peacock limited series created by Patrick Macmanus that dramatizes the crimes of one of America's most notorious serial killers. A scripted companion to Peacock's 2021 documentary of nearly the same name, the eight-episode drama revisits Gacy's murders in 1970s Chicago while deliberately shifting the spotlight away from the killer and onto his victims and the investigation that finally stopped him.
Michael Chernus stars as Gacy, the outwardly genial contractor and neighborhood party clown who murdered at least 33 young men and boys and buried many beneath his own home. Gabriel Luna, James Badge Dale, Michael Angarano, Chris Sullivan and Marin Ireland lead a large ensemble that dramatizes the detectives, families and missed opportunities surrounding the case, foregrounding the systemic failures and prejudices that allowed Gacy to evade detection for years.
Premiering in October 2025 from NBC News Studios and Universal Content Productions, the series drew exceptional reviews, earning a rare 96 percent on Rotten Tomatoes for what critics called a compassionate, morally clear reexamination of a much-sensationalized story. It streams on Peacock.
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