John Wayne Gacy: Devil in Disguise

Terry Sullivan

Self - Fmr. Prosecutor, Cook County, IL· 6 ep

Jay Levine

Self - Ret. News Anchor & Chief Correspondent· 5 ep

Rafael Tovar

Self - Ret. Des Plaines Police Detective· 5 ep

Lawrence Finder

Self - Fmr. Prosecutor, Cook County, IL· 5 ep

Karen Kuzma

Self - John Gacy's Sister· 5 ep

Craig Bowley

Self - John Gacy Prison Correspondent· 4 ep

David Hachmeister

Self - Ret. Des Plaines Police Officer· 4 ep

Michael Albrecht

Self - Ret. Des Plaines Police Officer· 4 ep

William Kunkle

Self - Fmr. Chief Prosecutor, Cook County, IL· 4 ep

Ray Cornell

Self - John Gacy's Former Friend· 3 ep

Patti Szyc-Rich

Self - John Szyc's Sister· 3 ep

Eugenia Godzik

Self - Gregory Godzik's Sister· 3 ep

Anthony Antonucci

Self - Former Gacy Employee· 2 ep

David Dutton

Self - Fmr. Prosecutor, Black Hawk County, IA· 2 ep

Jim Szyc

Self - John Szyc's Brother· 2 ep

Ron Wilder

Self - Jeffrey Rignall's Partner· 2 ep

Karen Conti

Self - Gacy's Death Row Attorney· 2 ep

Larry Potash

Self - News Reporter & Anchor· 2 ep

Alison True

Self - Journalist· 2 ep

William Dorsch

Self - Ret. Chicago PD Homicide Detective· 2 ep

Joseph Kozenczak

Self - Fmr. Des Plaines Police Chief· 1 ep

Marty Zielinski

Self - Photographer· 1 ep

Carole Lofgren

Self (archive footage) (voice)· 1 ep

Sam Amirante

Self - Gacy's Attorney (archive footage)· 1 ep

Mike Nelson

Self - Former Gacy Employee· 1 ep

Bruno Muczynski

Self - Former Gacy Neighbor· 1 ep

Thomas J. Dart

Self - Sheriff of Cook County· 1 ep

Jason Moran

Self - Cook County Sheriff's Office· 1 ep

Steven W. Becker

Self - Attorney· 1 ep

Sherry Marino

Self - Mother of Michael Marino (archive footage)· 1 ep