 Paul ScofieldThomas More | Thomas More |
 Wendy HillerAlice More | Alice More |
 Leo McKernThomas Cromwell | Thomas Cromwell |
 Robert ShawKing Henry VIII | King Henry VIII |
 Orson WellesCardinal Wolsey | Cardinal Wolsey |
 Susannah YorkMargaret More | Margaret More |
 Nigel DavenportThe Duke of Norfolk | The Duke of Norfolk |
 John HurtRichard Rich | Richard Rich |
 Corin RedgraveWilliam Roper (the Younger) | William Roper (the Younger) |
 Colin BlakelyMatthew | Matthew |
 Cyril LuckhamArchbishop Cranmer | Archbishop Cranmer |
 Jack GwillimChief Justice | Chief Justice |
 Thomas HeathcoteBoatman | Boatman |
 Yootha JoyceAveril Machin | Averil Machin |
 Anthony NichollsKing's Representative | King's Representative |
 John NettletonJailer | Jailer |
| EEira HeathMatthew's Wife | Matthew's Wife |
| MMolly UrquhartMaid | Maid |
 Paul HardwickCourtier | Courtier |
 Michael LatimerNorfolk's Aide | Norfolk's Aide |
| PPhilip BrackCaptain of Guard | Captain of Guard |
 Martin BoddeyGovernor of Tower | Governor of Tower |
| EEric MasonExecutioner | Executioner |
 Matt ZimmermanMessenger | Messenger |
 Vanessa RedgraveAnne Boleyn | Anne Boleyn |
| FFiona Hartford1st Handmaiden (uncredited) | 1st Handmaiden (uncredited) |
 Gay Hamilton2nd Handmaiden (uncredited) | 2nd Handmaiden (uncredited) |
 Gina Warwick3rd Handmaiden (uncredited) | 3rd Handmaiden (uncredited) |
| JJulie Martin2nd Maid (uncredited) | 2nd Maid (uncredited) |
 Raymond Adamson(uncredited) | (uncredited) |
