Harry Lloyd

as Will

as Richard III/Pete

as Geoffrey

as Mr. Jackson

as Young Joe

as Viserys Targaryen (voice)

as Adolf Opálka

as Ambro Scientist

as Craig Harrison

as Brian

as Lord Riot

as Virgil

as Richard Mason

as Young Denis Thatcher

as Young Rivers

as DCI Hector Morgan

as Andrew Carter

as Hugo Pym

as 343 Guilty Spark (voice)

as Self / Viktor (voice)

as Viktor (voice)

as Captain Mann / Stormtrooper #2 (voice)

as Bernard Marx

as Nathan Slater

as Peter Quayle

as Charles Xavier / Professor X

as Henry Gibson

as Harry Percy

as Paul Crosley

as Mortimer

as Matty Beckett

as Viserys Targaryen

as Viserys Targaryen

as Herbert Pocket

as Alexander Taylor-Pierce

as Prince Rupert

as Lucas

as Will Scarlet

as Jason Bradley

as The Butcher (voice)

as Baines / Son of Mine

as Matt Pattinson

as Young Steerforth