In ‘Devil in Disguise: John Wayne Gacy‘ (2021), a true-crime documentary series, John Nielsen plays John Wayne Gacy, with Michael H. Taylor as Rob Drago and Michael Chernus as the voice of Gacy’s inner thoughts; the show examines Gacy’s…
Main cast
- John Wayne GacyJohn NielsenMain
- Rob DragoMichael H. TaylorMain
Supporting cast
- Voice of John Wayne GacyMichael ChernusSupp
- Mary Ann GacyMary Jo CatlettSupp
- Terry SullivanMichael O’KeefeSupp
- Det. Joe KozenczakSteve W. BaileySupp
- Det. Bob AchilleMark L. YoungSupp
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About this cast
Devil in Disguise: John Wayne Gacy is a 2021 NBC true-crime documentary series that explores the life, crimes and capture of the notorious serial killer John Wayne Gacy. Using dramatic reenactments and interviews, the programme highlights Gacy’s double life as a respected citizen and a monster, featuring key figures like Rob Drago, the detective who finally brought him down.
FAQs
Who plays John Wayne Gacy in Devil in Disguise: John Wayne Gacy?
John Nielsen portrays John Wayne Gacy in the reenactments for the 2021 NBC documentary series.
Is Devil in Disguise: John Wayne Gacy a film or a TV series?
It is a TV series: a limited documentary series that aired on NBC in 2021.
How many episodes does Devil in Disguise: John Wayne Gacy have?
The series consists of 4 episodes.
Who plays Detective Rob Drago in this series?
Michael H. Taylor plays Detective Rob Drago, the lead investigator.
Is Michael Chernus in Devil in Disguise: John Wayne Gacy?
Yes, Michael Chernus provides the voice of John Wayne Gacy’s inner monologue/voiceover.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026