Der Killerclown: John Wayne Gacy

Rod Blackhurst

David Dutton (Self - Fmr. Prosecutor, Black Hawk County, IA), William Kunkle (Self - Fmr. Chief Prosecutor, Cook County, IL), Craig Bowley (Self - John Gacy Prison Correspondent), Ray Cornell (Self - John Gacy's Former Friend), Marty Zielinski (Self - Photographer), Mike Albrecht (Self - Ret. Des Plaines Police Officer), Dave Hachmeister (Self - Ret. Des Plaines Police Officer), Lawrence Finder (Self - Fmr. Prosecutor, Cook County, IL), Jay Levine (Self - Ret. News Anchor & Chief Correspondent), Terry Sullivan (Self - Fmr. Prosecutor, Cook County, IL)