William H. Macy

as John Randall

as Leonard

as Hank Durkin(10 eps)

as Chief Krueger

as Self - Guest(1 ep)

as Father Novak

as Major O'Rourke

as Molie

as Arn Peeples

as Jack Buck

as Trevathan

as Summerhayes

as Sam

as Raymond(1 ep)

as Richard Fuisz(5 eps)

as Self(1 ep)

as Frank Gallagher(1 ep)

as Self

as Self

as Wyatt

as Kirby Curtis

as Philip Wyatt

as Robert

as Self(1 ep)

as Bill

as Dr. Corman

as Leonard

as Carl

as Trill

as Self(1 ep)

as Pitt

as Gary

as Narrator

as Father Brendan

as Self(1 ep)

as The Narrator (voice)

as Frank Levin

as Self

as Frank Gallagher(134 eps)

as Self(1 ep)

as Self(1 ep)

as Ray

as Don Twombly

as Dr. Noseworthy

as Self - Guest(1 ep)

as Self

as George McLendon

as Lester (voice)

as Charlie Berns

as Ernie Stein

as Gene Shelby

as Self

as Dudley Frank

as Announcer

as Self

as Paul Ebbers

as Narrator (voice)(60 eps)

as Lefty Maginnis (voice)

as Rudyard North (voice)

as Edmond

as Clyde Umney / Sam Landry / George Demmick(1 ep)

as President of the United States(1 ep)

as Brian (voice)

as Senator Ortolan Finistirre

as Admiral Jim Sandecker

as Self(1 ep)

as Gigot

as Sgt. Bob Mooney

as Arthur Raven

as Stoddard

as Nathan Travers

as Self

as Self

as Bernie Lootz

as Self(1 ep)

as Narrator (voice)

as Tick Tock McGlaughlin

as Self

as Steven(5 eps)

as Self

as Self - Narrator (voice)

as Self(1 ep)

as Self - Guest(1 ep)

as John Irwin

as Glenn

as Riley

as Bill Porter

as Self

as Lawrence 'Larry' Newman

as Self(1 ep)

as Paul Kirby

as Alex

as Self

as Walt Price

as Self

as Quiz Kid Donnie Smith

as Sheriff Chappy Dent

as Ichabod Crane

as Terry Thorpe

as Shoveler / Eddie

as Self - Actor / Milton Arbogast

as Aaron Herbst

as Aaron Herbst (voice)(1 ep)

as Karros (voice)(1 ep)

as Justin (voice)

as James Gordon

as Milton Arbogast

as Karl

as Sam Donovan(6 eps)

as Leo (voice)(13 eps)

as George Parker

as Skoot (voice)(1 ep)

as Bobby

as CIA Agent Charles Young

as Little Bill

as Self(1 ep)

as Major Caldwell

as Mr. O'Day

as Dr. Rubin (voice)(1 ep)

as Charlie Crisco

as Policeman

as Director (voice)(1 ep)

as Petrocelli

as Jerry Lundegaard

as Col. Chandler

as Col. Chandler(2 eps)

as Captain Knox

as Vice Principal Gene Wolters

as Self(1 ep)

as Pros. Atty. Schultz

as Railroad Magnate

as Doctor (uncredited)

as Evolver (voice)

as Dr. Frank Teague

as Bill McNeill

as John

as Steven Meeker

as David Morgenstern(35 eps)

as Self(1 ep)

as Dr. Greenway

as Boris

as Property Clerk

as Ralph (voice)(1 ep)

as Russell Karp(1 ep)

as Tunafish Father

as Randy Burch

as Booth

as Sean Hammel

as Charles Lang

as Psychiatrist

as Self(4 eps)

as Ray Daniels

as Cop

as Navy Sailor (uncredited)

as Tim Sullivan

as Assistant U.S. Attorney John McCormack(1 ep)

as Jack Powell(1 ep)

as Store Clerk

as William H. Macy (voice)(1 ep)

as Billy Drake

as Farmer

as Randy(2 eps)

as Sgt. John Moran

as Radio Voice (voice)

as Bernard Ruskin(1 ep)

as Dr. Spaulding(1 ep)

as unknown(1 ep)

as J.J.

as Socrates

as Various

as NORAD Officer (uncredited)

as Ben Duffy

as Reporter

as Bronski

as Critic [1972]

as Will Beagle(3 eps)

as Self(1 ep)

as Self(1 ep)