Director/a
John Borowski
DIRECTOR/A
Reparto (por orden de créditos)
Narrator
Steve Giannangelo
Criminology Professor
William Kunkle
Self
Marty Zielinski
Self - Photographer
Lawrence Finder
Willy adkins
John Wayne Gacy
Mike Albrecht
Eugenia Godzik
John D'Emilio
LGBTQ Historian
Terry Sullivan
Helen morrison
Self - Forensic Psychiatrist
Owen Keehnen
Anthony Antonucci
Dave Hachmeister
Ken Potocki
The Drifter
Walter Jacobson
Karen Conti
Rick Staton
Edward Pavlik
David Dutton
Steve Lipshutz
Self - Owner Tenenbaum Hardware
Brian Dennehy
Beka
Gacy's Mother-in-Law
Anthony Cooney
Funeral Home Director
Lance Lencioni
Rick Gawel
Cub Scout Leader
M.J. Starshak
Carol Hoff
Barry Boschelli
Self - Johnny's Childhood Friend
Dennis Ritchie
Phil Bettiker
Self - Retired Detective Cook County Sheriff's PD
Catherine L. Clevenger
Self - LCSW
Jason Moran
Dexter Gawel
Johnny Gacy
Jeff Gaither
Self - Artist
Jim Sorfleet
Kenneth Frandsen
Self - Owner L&L Tavern
Maitham Al Nasser
Funeral Home Corpse
Ricky Carter
Self - Former Corrections Officer Menard Correctional Center
Rick Fisher
Kevin Smith
Stateville Prison Corrections Officer
Self (archiveFootage)