John Carroll Lynch

Wayne

Pop

Meyer Williams

Houser

Thomas Laffont

Pete

Barry

Dr. Morris

Carson

Edwin Dousant

John Mitchell

L. Patrick Gray

Larry Bitterman

Wolfgang 'Wolf' Legarski

Rick Legarski

David Dellinger

Ron Shalev

Pastor Magnus

Henry Stick

Lee Simmons

Charlie Grimes

Sherman Smalls

Bud Carl

Early Landry

Owen

Sheriff Mann

Lyndon B. Johnson

Mac McDonald

Colonel Tom Parker

John Sleator

Conway

Pruitt

Pastor Scott

Mr. Gilbert

Tom Jessup

Captain Emmett

Col. Drummond

Daniel Ellis

Frank

Bill Henderson

Rory

Will Hayes

Fred

Dave Greenberg

Lloyd Hennick

Self

John Wayne Gacy

Twisty the Clown

Benjamin Richter

Bernie

Det. Bud Morris

Moses Buggs

Eastman

Mike Ogletree

Evangelist Carroll

Deputy Warden McPherson

Larry

Walter

Mr. Reed

Barber Martin

Paul Riley

Howard Glassman

Captain James Embry

Arthur Leigh Allen

Mr. Leonard

Officer Chuck Tuttle

Stewart

Steve Sharpe

Gregory

Acl-Lou / Mr. Simms / Monkey (voice)

Ed

Self

Self

Mr. Hartman

Sheriff Ryan

Varlyn Stroud

Grant Ashby

Josh Holliman

Jack Field, Your Store Manager

Kurt Pressman

Dour O'Dowell

Wallace

Mr. Livingston

Buddy Arnold

Impound Manager

Father Mileski

Abbie's Lawyer

John English

Walter

Jack Irwin

Bartender (uncredited)

Jack Reese

Sgt. Van Wyck

Doctor Freeze (uncredited)

Gus (uncredited)

Driver

Bob Gilruth

Martin Lynch

Ken LaSalle

Joe York

Prison Guard Walton

Stan Olber

Plonder

Dr. Robert Larson

Cop

Shopkeeper

Mr. Franks

Prosecutor O'Gane

Norm Gunderson

Frank Womack

The Major

Officer Carl Bickley

Frank

Steve Carey

Skipper #1

Gerald Moss

Moving Man

Franklin