Tim Roth as Oliver Cromwell

Dougray Scott as Thomas Fairfax

Olivia Williams as Lady Anne Fairfax

James Bolam as Denzil Holles

Corin Redgrave as Lord de Vere

Finbar Lynch as Cousin Henry

Julian Rhind-Tutt as James

Adrian Scarborough as Sergeant Joyce

Jeremy Swift as The Earl of Whitby

Rupert Everett as King Charles I

Steven Webb as Boy at Naseby

Jake Nightingale as Captain Pride

Leonard Woodcock as Young Royalist Prisoner

Thomas Arnold as Messenger at Naseby

Sam Spruell as King's Guard

Julian Rivett as Little

Richard Bremmer as Abraham

Melissa Knatchbull as Lady Margaret Holles

Patricia Kerrigan as Mrs Cromwell

John-Paul Macleod as Richard Cromwell

Jonathan Coy as Digby

Mary Roscoe as Lady Whitby

Liam McKenna as Guard at Safe House

Louise Breckon-Richards as Tom's Maid

Oliver Fox as The Earl of York

Neil Howman as Doubter

Benedict Cumberbatch as Royalist

Iain Rogerson as Man at Execution

Andrew Cryer as Whitehall Messenger

Robert Sterne as Whitehall Guard

James Puddephatt as Merchant

Arthur Cox as Westminster Abbey Priest

Bruno Lastra as Spanish Ambassador

Ella Barker as Molly Fairfax