Richard Harris
Oliver Cromwell
Acting
Alec Guinness
King Charles I
Acting
Robert Morley
The Earl of Manchester
Acting
Dorothy Tutin
Queen Henrietta Maria
Acting
Frank Finlay
John Carter
Acting
Timothy Dalton
Prince Rupert
Acting
Patrick Wymark
The Earl of Strafford
Acting
Patrick Magee
Hugh Peters
Acting
Nigel Stock
Sir Edward Hyde
Acting
Patrick Holt
Captain Lundsford
Acting
Charles Gray
The Earl of Essex
Acting
Michael Jayston
Henry Ireton
Acting
Michael Goodliffe
Solicitor General
Acting
Jack Gwillim
General Byron
Acting
Richard Cornish
Oliver Cromwell II
Acting
Anna Cropper
Ruth Carter
Acting
George Merritt
William
Acting
Basil Henson
Hacker
Acting
Stratford Johns
President Bradshaw
Acting
Geoffrey Keen
John Pym
Acting
Douglas Wilmer
Sir Thomas Fairfax
Acting
Anthony May
Richard Cromwell
Acting
Ian McCulloch
John Hampden
Acting
Robin Stewart
Charles - Prince of Wales
Acting
Zena Walker
Mrs. Cromwell
Acting
John Paul
General Digby
Acting
John Welsh
Bishop Juxon
Acting
André van Gyseghem
Archbishop Rinuccini
Acting
Anthony Kemp
Henry Cromwell
Acting
Stacy Dorning
Mary Cromwell
Acting
Mel Churcher
Bridget Cromwell
Acting
Josephine Gillick
Elizabeth Cromwell
Acting
Llewellyn Rees
Speaker
Acting
John Forbes-Robertson
Colonel Harrison
Acting
Roy Beck
Member of Parliment (uncredited)
Acting