John Wayne Gacy, Jr.

Mark Holton

John Gacy, Sr.

Adam Baldwin

Ted Boyle

Glenn Morshower

Det. Kay

John Laughlin

Tom Kovacs

Charlie Weber

Gretchen

Allison Lange

Mother Gacy

Edith Jefferson

Kara Gacy

Joleen Lutz

Young John Gacy

Scott Allen Henry

Dave

Kenneth Swartz

Stu

Matt Farnsworth

Ray

Rick Dean

Writer

David Birke

Director

Clive Saunders