You Have to Dig

Terry Sullivan

Self - Fmr. Prosecutor, Cook County, IL

John Wayne Gacy

Archive footage

Craig Bowley

Self - John Gacy Prison Correspondent

Jay Levine

Self - Ret. News Anchor & Chief Correspondent

Rafael Tovar

Self - Ret. Des Plaines Police Detective

Lawrence Finder

Self - Fmr. Prosecutor, Cook County, IL

Karen Kuzma

Self - John Gacy's Sister

William Kunkle

Self - Fmr. Chief Prosecutor, Cook County, IL

Patti Szyc-Rich

Self - John Szyc's Sister

Jim Szyc

Self - John Szyc's Brother

Eugenia Godzik

Self - Gregory Godzik's Sister

Karen Conti

Self - Gacy's Death Row Attorney

Larry Potash

Self - News Reporter & Anchor

Alison True

Self - Journalist

William Dorsch

Self - Ret. Chicago PD Homicide Detective

Mike Nelson

Self - Former Gacy Employee

Bruno Muczynski

Self - Former Gacy Neighbor