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