Sam Spruell

as Cyrus

as Mike Webster

as William

as Prince Maekar Targaryen

as Self

as Stuart

as Nick

as Paul

as Jim Kelly

as Horace

as George

as Colonel Martin

as Charlie Miller

as Aaron

as Narrator (voice)

as Thewlis

as Bertie

as Cavendish

as Martin

as PC Pulley

as John

as Callum

as Daniel

as Slewitt

as Barry

as Aymer de Valence, Earl of Pembroke

as Bruce

as Oliver Graham

as General Okto Bar

as Cowboy Dave

as 1st LT Anthony

as Seyton

as Another Young Man

as NASA Psychologist

as Toran Prichard

as Jack 'The Hat' McVitie

as Doctor Tyapkin

as Oleg Malankov

as Jack Witkowski

as Dr. Quincy Tophet

as Jason

as Ole Munch

as Deputy Governor Haynes

as Dave

as Wireman

as Liam

as Steve Docker

as Sgt. Matherson

as Finn

as Jake

as Drug Dealer

as Jim Harvey

as Owen Lynch

as Kilburns' Drummer

as Phil Walker

as Nigel

as Arkady Lubczanski

as Contractor Charlie

as Connor O'Dricoll

as Trevor Riley

as Lord Newcastle

as Torturer

as Headmaster

as Clive Bolland

as Steve

as Stuart Allen

as Hospital Director

as Swarm

as Stevie

as Jerome Daniels

as King's Guard

as Tommy Duggan

as Dmitri

as Jason Belling

as Robbie Sharpe

as Stoker

as Yuri

as Thoby