Jeffrey Tambor

as God (voice)

as Roy Preston

as Self (archive footage)

as Self(2 eps)

as Mort Cohen

as Georgy Malenkov

as Ben Mercer(1 ep)

as Glossaryck (voice)

as Big Nose (voice)(4 eps)

as Big Nose (voice)

as Francis Silverberg

as King Peppy (voice)

as (voice)(1 ep)

as Self (archive footage) (uncredited)

as Self(1 ep)

as Professor Cakes

as Bill Shurmur

as Glossaryck (voice)(13 eps)

as Self(1 ep)

as Snow Globe Santa (voice)

as Maura Pfefferman(40 eps)

as Bob

as Don Hirsch(1 ep)

as Self(2 eps)

as Self - Guest(1 ep)

as Self(1 ep)

as Wilhelm the Tinkerer (voice)

as Ed Dolan(2 eps)

as Bruce Cutler

as Sid Garner

as Self

as David Bryant

as Bob Gibbons

as St. Crispy (voice)(1 ep)

as Mr. Solomon

as Santa Claus (voice)(1 ep)

as Walt Riggins(6 eps)

as Self(1 ep)

as Carl Murphy (voice)

as Danny

as Professor Cakes (voice)(30 eps)

as Gordon Blythe

as Detective Harold Waylon

as Mr. Gremmins

as Dr. O(1 ep)

as Sid Garner

as Vigman

as Adam Shadowchild

as Night Wizard (voice)(2 eps)

as Captain Flarty (voice)(1 ep)

as Big Nose Thug (voice)

as Arnold(1 ep)

as Steven's Father(1 ep)

as Bettys friend (voice)(160 eps)

as Devil

as Gill Littlefoot (voice)(1 ep)

as Mr. Calvin Curdles (voice)

as Dr. Barry Cohen(1 ep)

as Self

as Harris Chappell

as Anthony

as Anthony James

as Judge George Kluger(4 eps)

as Torvald Utne (voice)(1 ep)

as Len Trexler (voice)(10 eps)

as Sid Garner

as Carl Murphy (voice)

as Carl Murphy (voice)

as Crazy Quilt / Green / Red (voice)(1 ep)

as Self

as Tom Manning

as Dr. Whitby

as Uncle Saul(5 eps)

as Hy

as Santa (voice)

as Santa Claus (voice)

as Hank Kingsley

as Geek / Jeffrey / Dr. Geekman

as Jeffrey Pyne(13 eps)

as Self - Guest(1 ep)

as Lloyd French(2 eps)

as Neil(1 ep)

as Self

as Self - Guest(1 ep)

as Self - Guest(1 ep)

as Wizard

as Todd Emory / Allison Dubois(1 ep)

as King Neptune (voice)

as Crane

as Jeffrey Tambor(3 eps)

as Tom Manning

as Dr. Zed (voice)(2 eps)

as Scott's Dad (uncredited)

as Mr. Salomone the Manager

as George Bluth Sr.(84 eps)

as Lawyer (uncredited)

as Self(4 eps)

as Ken

as Carl Murphy (voice)(2 eps)

as Bank Employer

as Mr. Salomone the Manager

as Dr. Feldman

as Gary 'Double G' Glass(2 eps)

as The Mole (voice)(3 eps)

as Mitchell

as Randolph Verascola (voice)(1 ep)

as Christopher

as Jefferson(2 eps)

as Mayor Augustus Maywho

as Jerzy Skaggs(1 ep)

as Clem Greenberg

as Steve (voice)(1 ep)

as Dr. Potts

as Jack Boomer

as Self(1 ep)

as Lester Cohen(4 eps)

as Coach Wenchell

as Myron Sylver(1 ep)

as K. Edgar Singer

as Jake Gorelick(5 eps)

as Self(2 eps)

as Quince

as (voice)(3 eps)

as Self - Panelist(40 eps)

as Self - Announcer (voice)(180 eps)

as King Salmoneus (voice)(1 ep)

as Sully

as Dr. Fish

as Alan Blanchard

as Sid Herman(2 eps)

as Isser Harel

as Black Jack Lee (voice)(1 ep)

as Art Lundstrum

as Dr. Zin (voice)

as Self(1 ep)

as Beetle Fiero (voice)(1 ep)

as Maury Garner

as Walt Whalen Jr.

as Psychiatrist (voice)(1 ep)

as Bernie Abbot

as Self - Guest(2 eps)

as Self(1 ep)

as Gerald Webber

as Dr. Zin (voice)

as Dr. Stockton

as Willie

as Uncle Alby

as Crocker (voice)(1 ep)

as Hank Kingsley(90 eps)

as Dr. Leo Krutz

as Sennett(2 eps)

as Lou

as Vance Crasswell

as Hank Hibler (voice)(1 ep)

as Peter LaPorte

as Don Hecker

as Joe Baines(17 eps)

as Barry Dilwynn(1 ep)

as Jeffrey Taglentini

as Mr. Larry Marks

as Peter (voice)

as Board Member(1 ep)

as Charlie Marno (segment "Dead Right")(1 ep)

as Vladimir

as Writer

as Mr. Rice

as Murray(14 eps)

as Gordon Salt(3 eps)

as Paul Stark(11 eps)

as Eli (voice)

as Jerry (uncredited)

as Kyle Montgomery (segment "Dead Woman's Shoes")(1 ep)

as Milton (segment "The World Next Door")(1 ep)

as Dr. Stevens(1 ep)

as Pierre Salinger(3 eps)

as Ken

as Dr. Lindsey

as Russell Armstrong(1 ep)

as Professor Michael Silver

as Sharaff(2 eps)

as Boris Potemkin

as Jinx

as Mort Broome

as Alden Pepper

as Franklin Hart(4 eps)

as Jeffrey Bauman

as Waldemar

as Harry Lanson

as Lance Kessler

as Judge Alan Wachtel(8 eps)

as Attorney Alan Wachtel(1 ep)

as Dankworth

as Dankworth(2 eps)

as Jay Porter

as Jeffrey P. Brookes III(28 eps)

as Walter Griswald(1 ep)

as Lawrence Jurgens(1 ep)

as Harold Rogers(1 ep)

as Mr. Harold Rogers(1 ep)

as Winston Cromwell III(1 ep)

as Tom Miller(1 ep)

as Phillip Greene(1 ep)

as William Klein(1 ep)

as Medical Examiner(1 ep)

as Reddish(1 ep)

as "Sully" Tambor