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Devil in Disguise: John Wayne Gacy

Billy

Directed by Maggie Kiley
TV-MA
S1 • E4    Oct 16, 2025    61m
7.97.0
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A psychiatrist interviews Gacy, revealing disturbing details about his past. Tovar and Kozenczak confront the dark truths of the systemic failures that allowed Gacy to kill for so long. A love story unfolds between Billy Kindred and Maryjane.

Where to Watch Devil in Disguise: John Wayne Gacy - S1 • E4

Cast of Billy

  • Michael ChernusJohn Wayne Gacy
  • Gabriel LunaDet. Rafael Tovar
  • James Badge DaleChief of Detectives Joe Kozenczak
  • Michael AngaranoSam Amirante
  • Chris SullivanLead Prosecutor Bill Kunkle
  • Marin IrelandElizabeth Piest
  • Greg BrykHarold Piest
  • Robert MeynellDonald Voorhees Sr.
  • Andrew JohnstonDonald Voorhees Jr
  • Joshua KilimnikTeenage Gacy
  • Ted DykstraDet. Allen Fanholm
  • Cricket BrownKerry Piest
  • Thom NyhuusKenneth Piest
  • Lena PepeJuanita
  • Samantha AdamsMarlynn Gacy
  • Mallory BechtelMary Jane
  • Brenda BazinetEugenia Godzik
  • Jessie BehanYoung Marion Gacy
  • Kathryn BellamyBeth
  • Quincy Tyler BernstineDr. Healy

 

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    Watch Devil in Disguise: John Wayne Gacy - Season 1 • Episode 4 - Billy Full Episode Online - Plex