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