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
★
Robert MeynellDonald Voorhees Sr.
Andrew JohnstonDonald Voorhees Jr
★
Joshua KilimnikTeenage Gacy
Ted DykstraDet. Allen Fanholm
Cricket BrownKerry Piest
Thom NyhuusKenneth Piest
★
Lena PepeJuanita