• 
  Ken Hughes

  regizor

• 
  Ken Hughes

  scenarist

• 
  Richard Harris

  Oliver Cromwell
• 
  Timothy Dalton

  Prince Rupert
• 
  Alec Guinness

  Regele Charles I
• 
  Dorothy Tutin

  Regina Henrietta Maria
• 
  Frank Finlay

  John Carter
• 
  Charles Gray

  The Earl of Essex

• 
  Bryan Pringle

  Trooper Hawkins
• 
  Nigel Stock

  Sir Edward Hyde
• 
  John Welsh

  Bishop Juxon
• 
  Victor Maddern

  Executioner
• 
  Patrick Holt

  Captain Lundsford
• 
  Michael Goodliffe

  Solicitor General
• 
  Patrick Wymark

  The Earl of Strafford

• 
  Douglas Wilmer

  Thomas Fairfax
• 
  Geoffrey Keen

  John Pym
• 
  Patrick Magee

  Hugh Peters
• 
  Patrick O'Connell

  John Lilburne
• 
  George A. Cooper
• 
  Stacy Dorning

  Mary Cromwell
• 
  Basil Henson

  Hacker
• 
  Michael Jayston

  Henry Ireton
• 
  Jack Gwillim

  General Byron
• 
  Tony Caunter
• 
  Stratford Johns

  President Bradshaw
• 
  Richard Cornish

  Oliver Cromwell II
• 
  Anna Cropper

  Ruth Carter
• 
  Robert Morley

  The Earl of Manchester