Cast
Gary Reineke
Petrie
Andrew Gillies
Vincent Austin
Maria Ricossa
Helen Gacy
David Eisner
Williams
Tim Progosh
Morris
Brenda Bazinet
Alice Pearson
Nicholas Pasco
Barton
John Friesen
Detective #1
Brian Dennehy
John Wayne Gacy
Martin Julien
Ted Koslo
Michael Copeman
Chief Cameron
Thomas Hauff
Foreman Hendricks
Meg Foster
Linda Carlson
John Boylan
Atkins
Gerry Quigley
Walden
Timm Zemanek
Mr. Trask
Margot Kidder
Rachel Grayson
Scott Hylands
Mike Paxton
Jay Brazeau
Jake Burns
Brett Halsey
Stan Wilder
Robbie Rox
Cicero Bar Owner
Luis Guzmán
Waiter (uncredited)
Michael Riley
Joe 'Polock' Kozenczak
Mark Humphrey
King
Bruce Ramsay
Bragg
Christopher Marren
Billy
Cynthia Preston
Cindy Beck
Shawn Lawrence
Mr. Gant
Rudy Webb
Cemetery Staffer