John Wayne Gacy
Jason Moss
Alyssa
Alex Moss
Valerie Moss
Frank Moss
Stan
Guard Thompson
Glen Phillips
Professor Harris
FBI Agent
Male Hustler
Butcher Shop Victim
Prostitute
Desk Guard
Counter Girl
Marcus
Armed Guard
Mike
TV News Reporter
Victim
Stalked Girl
Paul
Amy
Marcus' Friend (uncredited)
Bobby (uncredited)
Undercover Detective (uncredited)