John Wayne Gacy
Joe 'Polock' Kozenczak
Rachel Grayson
Linda Carlson
Ted Koslo
Mike Paxton
Atkins
Williams
DeMarco
King
Petrie
Morris
Santori
Bragg
Alice Pearson
Marcia Kozenczak
Michael Kozenczak
Billy
Walden
Barton
Chief Cameron
Hoskins
Pam
Jake Burns
Cindy Beck
Vincent Austin
Waldron
Mrs. Gant
Mr. Gant
Lorna Gant
Christopher Gant
Lisa Kozenczak
Debbie Kozenczak
Mrs. Trask
Mr. Trask
Helen Gacy
Sheriff
Mr. Miklovich
Detective #1
Illinois K-9 Officer
Stan Wilder
Gas Station Attendant
Judge
Asst. Principal Burke
Foreman Hendricks
Older Worker
Sergeant on Wabash Ave.
Detective on Shakespeare Ave.
Cemetery Staffer
Cicero Bar Owner
Finger Lake Proprietor
Man at Bus Station
Narrator (voice)
Waiter (uncredited)
Pool Player (uncredited)
