Mark Strong

as Walter

as Josef Hartinger

as Cardinal Calvino

as Armitage(10 eps)

as Trent Ikithon (voice)(7 eps)

as Jack Cinder

as Emperor Javicco Corrino(6 eps)

as Doug Slater

as Carmine Falcone(2 eps)

as David Brooke

as General Jake Boothe

as N

as Holland

as Miller

as Doctor Thaddeus Sivana (uncredited)

as Felix

as Eliot Kaplan

as Alfred Wolfsohn (voice)

as Assembly Mage (voice)(1 ep)

as Self - Actor

as David Sharpe(8 eps)

as John the Valet

as Captain Smith

as Daniel Milton(15 eps)

as Ordon (voice)(5 eps)

as Self

as Narrator (voice)

as Gunnar Sorensson

as Dr. Sivana

as Werner Heisenberg

as Narrator (voice)

as Max Easton(8 eps)

as Merlin

as Max Vernon

as Rodolfo Vittorio Schmidt

as Conor Cruise O'Brien

as Captain William D. Stanaforth

as Agent Sebastian Graves

as Narrator (voice)

as Narrator (voice)

as Narrator

as Self

as Eddie

as Narrator

as Merlin

as Stewart Menzies

as Dr. Nasch

as Nosferatu

as Max Rosenthal

as Self - Guest(1 ep)

as Narrator (voice)

as John Washington

as Narrator

as Frank Agnew(10 eps)

as Heraclio (voice)

as Jacob Sternwood

as Narrator(6 eps)

as George

as Robert Seymour

as Henry (segment "Some Safe Place")

as Nosferatu(1 ep)

as Matai Shang

as Sultan Amar

as Jim Prideaux

as Self - Narrator

as Clive Cornell

as Sinestro

as Guern

as Andrei Khabarov

as Godfrey

as Narrator

as Self

as Frank D'Amico

as Self

as Lord Henry Blackwood

as Sir John Conroy

as Self

as Narrator(4 eps)

as Dr. Niel Barnard

as Bouhler

as Hani

as Archy

as Finn

as Manny Miesel

as Nick Caldarelli

as Self - Narrator UK (Voice)

as Septimus

as Andy Spader

as Pinbacker

as Self

as Narrator

as Louis

as Frank Agnew

as Self(1 ep)

as Wictred

as Pete

as Mussawi

as Andy Spader(2 eps)

as Toby Crackit

as Sorter

as Narrator (voice)

as Harry Starks(4 eps)

as Duke of Norfolk(2 eps)

as Ian

as Dad

as Arthur

as Dr. Tolkin

as Len Davies(6 eps)

as Self(1 ep)

as Antonio Gabrieli

as Doug

as Ferdinand

as Dusty Miller

as Michael Mitcham

as Oblonsky(4 eps)

as István Sors

as Frank

as Terry(4 eps)

as Dave Summers

as Father

as Brand

as Steve

as Mr. Knightley

as Colonel Brand

as Terry 'Tosker' Cox(9 eps)

as Randall(1 ep)

as Kenny

as Policeman

as 2nd TV Producer(4 eps)

as Timson

as Col. Brand(1 ep)

as Larry Hall

as DI Larry Hall(2 eps)

as DCS Larry Hall(2 eps)

as Self(1 ep)

as Roger(1 ep)

as PC Mike Butterworth(1 ep)

as Timson(1 ep)

as Telephone Engineer(1 ep)

as P.C. Gibb(1 ep)