Devil in Disguise: John Wayne Gacy S1E4 — Billy

7.7

Devil in Disguise: John Wayne Gacy•Season 1•Episode 4

Billy

7.7/10 · 507 votesOct 16, 202561 min

Ranked #3 of 8 in Season 1•+0.2 vs season avg

Discussion

A psychiatrist interviews Gacy; Tovar and Kozenczak uncover systemic failures; teenage love unfolds.

Directed byMaggie Kiley

Written byYasmin Almanaseer

Previous episodeE3 · Samuel and Randy Next episodeE5 · Billy and Dale

Seasons1

All 1

Season 1 Episodes8

Ten Days

Johnny

Samuel and Randy

Billy

Billy and Dale

Tim, John and Rob

David

Jeffrey

Cast6

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

Crew4

Maggie Kiley

Director

Yasmin Almanaseer

Writer

Joe Giganti

Editor

DJ Stipsen

Director of Photography

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Episode Summary

"Billy" is episode 4 of Devil in Disguise: John Wayne Gacy season 1. It scored 7.7/10 from 507 votes, ranking #3 of 8 episodes this season (season average 7.5). Directed by Maggie Kiley and written by Yasmin Almanaseer, it aired on October 16, 2025.

Next: E5 · Billy and Dale Best of Season 1