Ηθοποιοί επεισοδίου
Μάικλ ΤσέρνουςJohn Wayne Gacy
Gabriel LunaDet. Rafael Tovar
James Badge DaleChief of Detectives Joe Kozenczak
Michael AngaranoSam Amirante
Chris SullivanLead Prosecutor Bill Kunkle
Μαρίν ΆιρλαντElizabeth Piest
Greg BrykHarold Piest
Mason VersawRobert Donnelly
Hamish Allan-HeadleyDet. Michael Albrecht
Ted DykstraDet. Allen Fanholm
Eva FooteCarol Gacy
Kristine NielsenMarion Gacy
Gavin LewisTimothy McCoy
Crede CooperJohn Butkovich