Ironclad— Full Cast

James Purefoy

as Thomas Marshall

Kate Mara

as Lady Isabel

Jason Flemyng

as Becket

Paul Giamatti

as King John

Brian Cox

as Albany

Derek Jacobi

as Cornhill

Charles Dance

as Stephen Langton, Archbishop of Canterbury

Aneurin Barnard

as Guy

Jamie Foreman

as Coteral

Mackenzie Crook

as Marks

Rhys Parry Jones

as Wulfstan

Vladimir Kulich

as Tiberius

David Melville

as Baron Darnay

Annabelle Apsion

as Maddy

Steffan Rhodri

as Cooper