All Cast

Mark Holton
John Wayne Gacy, Jr.

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
Kenneth Swartz
Dave
Matt Farnsworth
Stu

Rick Dean
Ray

Glenn Morshower
Ted Boyle
