Gacy

Mark Holton

as

John Wayne Gac...

Adam Baldwin

as

John Gacy, Sr.

Charlie Weber

as

Tom Kovacs

Allison Lange

as

Gretchen

Edith Jefferson

as

Mother Gacy

Joleen Lutz

as

Kara Gacy

Scott Allen He...

as

Young John Gacy

Kenneth Swartz

as

Dave

Matt Farnsworth

as

Stu

Rick Dean

as

Ray

Glenn Morshower

as

Ted Boyle

John Laughlin

as

Det. Kay