Richard Harris ... Oliver Cromwell
Alec Guinness ... King Charles I Robert Morley ... The Earl of Manchester Dorothy Tutin ... Queen Henrietta Maria Frank Finlay ... John Carter
Timothy Dalton ... Prince Rupert Patrick Wymark ... The Earl of Strafford Patrick Magee ... Hugh Peters Nigel Stock ... Sir Edward Hyde Charles Gray ... The Earl of Essex Michael Jayston ... Henry Ireton Richard Cornish ... Oliver Cromwell II Anna Cropper ... Ruth Carter
Michael Goodliffe ... Solicitor Genera
Jack Gwillim ... General Byron Basil Henson ... Hacker Patrick Holt ... Captain Lundsford Stratford Johns
... President Bradshaw Geoffrey Keen ... John Pym Anthony May ... Richard Cromwell Ian McCulloch ... John Hampden Patrick O'Connell ... John Lilburne John Paul ... General Digby Bryan Pringle ... Trooper Hawkins Llewellyn Rees ... The Speaker Robin Stewart ... The Prince of Wales Andre Van Gyseghem ... Archbishop Rinucinni Zena Walker ... Mrs. Cromwell John Welsh ... Bishop Juxon Douglas Wilmer ... Thomas Fairfax Anthony Kemp ... Henry Cromwell Stacy Dorning ... Mary Cromwell
Mel Churcher ... Bridget Cromwell (as Melinda Churcher) George Merritt ... William Gerald Rowland ... Drummer Boy Josephine Gillick ... Elizabeth Cromwell
