Stanley Tucci

as Nigel

as Self(1 ep)

as Santa Claus

as Roger

as Nigel

as Self

as Self (archive footage)

as The Elder

as Self - Host(10 eps)

as Ethan Skate

as Self - Audience Member

as Bellini

as Self

as Bernard Orlick(13 eps)

as Clive Davis

as Jefferson Grieff(4 eps)

as Self(1 ep)

as United States Ambassador

as Mish Mosh (voice)(52 eps)

as Frank Wild(6 eps)

as Dr. Erskine (voice)(2 eps)

as Charles Wolf

as Dr. Ivan Munchin

as Self - Host(14 eps)

as Tusker

as Mr. Stringer

as Walter Winchell

as Bitsy (voice)(39 eps)

as Self(1 ep)

as Emile Haddock(10 eps)

as Self - Guest(3 eps)

as Commissioner Harper

as Hugh Andrews

as Tony Shaw

as The Professor

as Jack Maye

as Philippe (voice)

as Ted Swenson

as Merlin

as Narrator

as Maestro Cadenza

as Jack Warner(8 eps)

as Narrator (voice)

as Captain Hook/Mr. Darling/Dr. Wylie

as Caesar Flickerman

as Mitchell Garabedian

as Self(1 ep)

as Self - Guest(1 ep)

as Publishing Executive

as Philippe, Duc d'Orleans

as Self - Caesar Flickerman

as Self, Narrator(4 eps)

as DCI Morton(11 eps)

as Baby

as Self - Narrator (voice)

as Caesar Flickerman

as Self

as Herb Kazzaz (voice)(11 eps)

as Joshua Joyce

as Ivan the Guard

as Self - Caesar Flickerman

as Self - Guest(2 eps)

as Self(1 ep)

as Self - Guest(1 ep)

as Leonardo da Vinci (voice)

as Fred

as Caesar Flickerman

as James Boswell

as Mr. D / Dionysus

as Caesar Flickerman(1 ep)

as Self(1 ep)

as Roderick

as Ray Fuller

as Self - Caesar Flickerman

as Martin Zaidenweber

as Train Engine

as Caesar Flickerman

as Eric Dale

as Narrator

as Dr. Abraham Erskine

as Father

as Self

as Sean

as Dill

as Senator (voice)

as Jack Abramoff (voice)

as George Harvey

as Paul Child

as Self - Guest(1 ep)

as Boldo (voice)

as Scott Solomon

as Don

as Martin Fox

as Mr. Jefferson Jasper Rene Berk

as Senator (voice)

as Self(5 eps)

as Larry

as Douglas Hanson(8 eps)

as Shelton Fisher

as Henry Warren(1 ep)

as Nigel

as Self

as Self

as Det. Brikowski

as Narrator (voice)

as Herb Copperbottom (voice)

as Rich Uncle Pennybags / Party Host (voice)(1 ep)

as Lorenzo (voice)(1 ep)

as Narrator

as Link

as Stanley Kubrick

as Frank Dixon

as Frank Haley

as Dr. Conrad Zimsky

as Jerry Siegel

as Narrator (voice)

as Frank Nitti

as David Ruskin(1 ep)

as Arthur Herk

as Self

as Griffin

as Dave Kingman

as Adolf Eichmann

as Giovanni Bazinni

as Narrator

as Hunter Lasky(22 eps)

as Joe Mitchell

as Self(1 ep)

as Preston D'Ambrosio

as Self - Host(545 eps)

as Puck

as Walter Winchell

as Heinrich Grigoris

as Arthur

as Nicholas 'Nick' Roth

as Paul Epstein

as Elliot Zweikel

as Self(3 eps)

as Louis D'Amico

as Todd Stanton

as Arthur Wilkins

as Secondo

as Peter Kessler

as Self - Guest(1 ep)

as Richard Cross(23 eps)

as Frank Zioli

as Frank

as George

as Kevin Moretti(10 eps)

as Fred Hunter

as Eddie Biasi

as Khamel

as Morrie (voice)(1 ep)

as Muerte

as Gregoire

as Sal

as Amos (uncredited)

as Taylor

as Vernon

as Lucky Luciano

as Mal

as Art Conforti(9 eps)

as Johnny

as Det. Patrick McGuire

as Frank Mirelli(1 ep)

as Donny

as Harvey Yelton

as Darryl

as Self - Guest(2 eps)

as Dr. John Wiseman

as 2nd Dock Worker

as 1st Tenant

as Assemblyman Phillip Wingate(1 ep)

as Soldier

as Frank Mosca(2 eps)

as Steven DeMarco(1 ep)

as Self - Clue Presenter(1 ep)

as Harvey Yelton(1 ep)

as Self - Cameo (uncredited)(1 ep)

as Self(1 ep)