William Forsythe character John Wayne Gacy
Jesse Moss character Jason Moss
Emma Lahana character Alyssa
Cole Heppell character Alex Moss
Belinda Metz character Valerie Moss
Michael Ryan character Frank Moss
Eric Keenleyside character Stan
Daryl Shuttleworth character Guard Thompson
Patrick Gilmore character Glen Phillips
Andrew Airlie character Professor Harris
Michael Kopsa character FBI Agent
Jeffrey Bowyer-Chapman character Male Hustler
Hunter Elliott character Butcher Shop Victim
Michaela Mann character Prostitute
Dee Jay Jackson character Desk Guard
Libby Osler character Counter Girl
Brett Dier character Marcus
James Fredrick Ralph character Armed Guard
Jaren Brandt Bartlett character Mike
Lynn Colliar character TV News Reporter
Richard Harmon character Victim
Andrea Brooks character Stalked Girl
Anthony Shim character Paul
Karissa Tynes character Amy
Josh Goring character Marcus' Friend (uncredited)
Kai Kennedy character Bobby (uncredited)
John Andrew Vaas character Undercover Detective (uncredited)
