On screen
Cast
12 credited performers
Mark Holton
John Wayne Gacy, Jr.
Adam Baldwin
John Gacy, Sr.
Charlie Weber
Tom Kovacs
Allison Lange
Gretchen
Artwork unavailable
Edith Jefferson
Mother Gacy
Joleen Lutz
Kara Gacy
Artwork unavailable
Scott Allen Henry
Young John Gacy
Kenny Swartz
Dave
Artwork unavailable
Matt Farnsworth
Stu
Rick Dean
Ray
Glenn Morshower
Ted Boyle
John Laughlin
Det. Kay