Leonard Rossiter as King John

William Whymper as Chatillon

Mary Morris as Queen Elinor

Robert Brown as Earl of Pembroke

John Castle as Earl of Salisbury

John Flint as Lord Bigot

John Thaw as Hubert de Burgh

George Costigan as Philip - the Bastard

Edward Hibbert as Robert Faulconbridge

Phyllida Law as Lady Faulconbridge

Mike Lewin as James Gurney

Charles Kay as King Phillip of France

Jonathan Coy as Lewis, the Dauphin

Luc Owen as Arthur - Duke of Britaine

Gorden Kaye as Lymoges - Duke of Austria

Claire Bloom as Constance

John Moreno as Melun

Ian Barritt as French Herald

Janet Maw as Blanch

Carl Oatley as English Herald

Clifford Parrish as Citizen of Angiers

Richard Wordsworth as Cardinal Pandulph

Ian Brimble as First Executioner

Ronald Chenery as English Messenger

Alan Collins as Peter of Pomfret

Tim Brown as French Messenger

Rusty Livingstone as Prince Henry

Harry Fielder as Guard (uncredited)

Clark Stephens as Soldier (uncredited)