- Tim Roth
- Oliver Cromwell
- Dougray Scott
- Sir Thomas Fairfax
- Olivia Williams
- Lady Anne Fairfax
- James Bolam
- Denzil Holles
- Corin Redgrave
- Lord de Vere
- Finbar Lynch
- Cousin Henry
- Julian Rhind-Tutt
- James
- Adrian Scarborough
- Sergeant Joyce
- Jeremy Swift
- Earl of Whitby
- Rupert Everett
- King Charles I
- Steven Webb
- Boy at Naseby
- Jake Nightingale
- Colonel Pride
- Leonard Woodcock
- Young Royalist prisoner
- Thomas Arnold
- Messenger at Naseby
- Sam Spruell
- King's guard
- Julian Rivett
- Little
- Richard Bremmer
- Abraham
- Melissa Knatchbull
- Lady Margaret
- Patricia Kerrigan
- Mrs. Cromwell
- John-Paul MacLeod
- Richard Cromwell
- Jonathan Coy
- Digby
- Mary Roscoe
- Lady Whitby
- Liam McKenna
- Guard at safe-house
- Louise Breckon-Richards
- Tom's maid
- Oliver Fox
- The Earl of York
- Neil Howman
- Doubter
- Benedict Cumberbatch
- Royalist
- Iain Rogerson
- Man at execution
- Andrew Cryer
- Whitehall messenger
- Robert Sterne
- Whitehall guard
- James Puddephatt
- Ther Merchant
- Arthur Cox
- Westminster Abbey priest
- Bruno Lastra
- Spanish Ambassador
- Ella Barker
- Molly Fairfax
- Julia Bridgeman
- Mary Cromwell
- Katy Cross
- Cromwell's Middle Daughter
- Jessica Hazel
- Cromwell's Eldest Daughter
- John Whitby
- Soldier
- Evie Wray
- Girl of the Court
- Philip Widdicombe
- Personal Tailor to Oliver Cromwell
