Der Killerclown: John Wayne Gacy

Rod Blackhurst

Patti Szyc-Rich (Self - John Szyc's Sister), Jim Szyc (Self - John Szyc's Brother), Jay Levine (Self - Ret. News Anchor & Chief Correspondent), Rafael Tovar (Self - Ret. Des Plaines Police Detective), Dave Hachmeister (Self - Ret. Des Plaines Police Officer), Mike Albrecht (Self - Ret. Des Plaines Police Officer), Karen Kuzma (Self - John Gacy's Sister), William Kunkle (Self - Fmr. Chief Prosecutor, Cook County, IL), Terry Sullivan (Self - Fmr. Prosecutor, Cook County, IL), Lawrence Finder (Self - Fmr. Prosecutor, Cook County, IL)