Sam Spruell

as Stoker

as Yuri

as Thoby

as John

as Cyrus Lam

as Mike Webster(4 eps)

as William

as Prince Maekar Targaryen(4 eps)

as Self(1 ep)

as Stuart

as Nick

as Paul

as Jim Kelly

as Horace(2 eps)

as George

as Colonel Martin

as Charlie Miller(8 eps)

as Aaron

as Narrator (voice)

as Thewlis

as Bertie

as Cavendish(4 eps)

as Martin

as PC Pulley(1 ep)

as John

as Callum

as Daniel

as Slewitt

as Barry(1 ep)

as Aymer de Valence, Earl of Pembroke

as Bruce

as Oliver Graham(6 eps)

as General Okto Bar

as Cowboy Dave

as 1st LT Anthony

as Seyton

as Another Young Man

as NASA Psychologist

as Toran Prichard(10 eps)

as Jack 'The Hat' McVitie

as Doctor Tyapkin

as Oleg Malankov

as Jack Witkowski

as Dr. Quincy Tophet(11 eps)

as Jason

as Ole Munch(10 eps)

as Deputy Governor Haynes

as Dave

as Wireman

as Liam

as Steve Docker(5 eps)

as Sgt. Matherson

as Finn

as Jake

as Drug Dealer

as Jim Harvey(5 eps)

as Owen Lynch(1 ep)

as Kilburns' Drummer

as Phil Walker

as Nigel

as Arkady Lubczanski

as Contractor Charlie

as Connor O'Dricoll(1 ep)

as Trevor Riley(1 ep)

as Lord Newcastle(4 eps)

as Torturer

as Headmaster

as Clive Bolland(1 ep)

as Steve

as Stuart Allen

as Hospital Director

as Swarm(5 eps)

as Stevie

as Jerome Daniels(1 ep)

as King's Guard

as Tommy Duggan(1 ep)

as Dmitri

as Jason Belling(2 eps)

as Robbie Sharpe(1 ep)