F. Murray Abraham

as Narrator

as Saul Cohen

as Self (voice)

as Khonshu (voice)(1 ep)

as Oyun

as Prophet

as Himself

as Marcus / Marco

as Mentor

as Judge John Sirica(2 eps)

as Dr. Carl Winters(1 ep)

as Dr. Longbow

as Self (archive footage)

as Khonshu (voice) (archive footage) (uncredited)

as Khonshu (voice)(6 eps)

as Bert Di Grasso(7 eps)

as Floyd DeBeers

as C.W. Longbottom(20 eps)

as Tony

as Narrator (voice)(4 eps)

as Frank Sams(4 eps)

as Ayatollah (archive footage)

as Grimmel (voice)

as Narrator

as Cardinal

as Narrator (voice)

as Self

as Jupiter (voice)

as Chairman(1 ep)

as Self - Narrator(3 eps)

as Burl Preston(1 ep)

as Information (voice)

as Norman Wallach

as Self

as Self(1 ep)

as Dante Alter Ego

as Mr. Moustafa

as Bud Grossman

as Braque

as Self

as Gregor

as The Margrave

as Marco D'Aviano

as Cyril(13 eps)

as Daniel Gottlieb(1 ep)

as John Henry Newman

as Dar Adal(43 eps)

as Narrator

as Leon Goodwin(1 ep)

as Narrates Program One

as Narrator

as Siniscalco Barozzi

as Self

as Burl Preston(4 eps)

as Professor Richard Hawkes(1 ep)

as Professor Gross

as Narrator

as Leon See

as Professor Bill Girdler

as Grandfather Wahid

as Goran

as Self - Narrator (voice)

as Narrator

as Professor Hamilton

as Matthew(1 ep)

as Ruggero

as Nathan

as Nathan(2 eps)

as Pantaley

as Panteleimon 'Panteley' Melekhov(7 eps)

as Shahid

as Jeffrey

as Self

as Viceroy of Peru

as Paul Minsky

as Self

as Readings (Voice)(4 eps)

as Entita

as Airport Guru

as Self - Salieri

as Father Tardone

as Cyrus

as Theodore Nichols(1 ep)

as Airport Guru(1 ep)

as Delfinello da Coverzano

as Thomas Barlow

as Robert Crawford

as Ayatollah(1 ep)

as Bruno Rubin

as Self

as Tommaso Buscetta

as Noah

as Lot(2 eps)

as Mordechai

as Professor Henry Covington

as Ad'har Ru'afo

as Himself

as Belisario

as Narrator

as Jim Sullivan

as Dr. Gates

as President Mendoza

as Josef 'Uncle Joe' Stalin

as Narrator (voice)

as Self

as Caleb Cobb(3 eps)

as Al Capone

as Chorleiter

as Al Capone

as Goldstein

as Scalinger

as Chess Hustler

as Wolfe, Sr.

as Lucien Haslans

as Older Seit

as Zargo

as Professor Harlech

as John Practice

as Harold Leacher

as Narrator

as Stalin

as Kharoun

as Suba

as Arnold Rothstein

as Will Scarlet

as D.A. Abe Weiss (uncredited)

as Osrain

as Narrator (voice)

as Capt. Ramon Garcia

as Papa Giulio II

as Papa Giulio II(3 eps)

as Jack Narwhal

as Professor Leopold Nettles

as l'Innominato(5 eps)

as Virgil Cane

as Abdul Hamid

as Cornelius

as Dr. Harry Bertram - the Whale Man

as Self - Host

as Self - Narrator (voice)

as Self - Narrator (voice)(1 ep)

as Father Carafa

as Self

as Self

as Bernardo Gui

as President Abraham Lincoln(3 eps)

as Herman Melville

as Antonio Salieri

as Omar

as Jacopo(6 eps)

as Narrator (voice)(25 eps)

as Eppis

as Marco Cohen

as Duke Skaggs

as Bobby Carr(1 ep)

as Chris

as Arresting Officer #1

as Mechanic

as Taxi Driver

as Narrator(1 ep)

as Detective Partner (uncredited)

as Solly Nurse(2 eps)

as Eddie Gordon(1 ep)

as Clyde (the usher)

as Clerk(1 ep)