 John GielgudDisraeli | Disraeli |
 Diana WynyardMary Anne | Mary Anne |
 Will FyffeThe Agitator | The Agitator |
 Owen NaresLord Derby | Lord Derby |
 Fay ComptonQueen Victoria | Queen Victoria |
| PPamela StandishPrincess Victoria | Princess Victoria |
 Stephen MurrayMr. Gladstone | Mr. Gladstone |
 Frederick LeisterLord Melbourne | Lord Melbourne |
 Nicholas HannenSir Robert Peel | Sir Robert Peel |
 Anthony IrelandCount D'Orsay | Count D'Orsay |
 Irene BrowneLady Londonderry | Lady Londonderry |
 Joss AmblerEarl of Carnarvon (uncredited) | Earl of Carnarvon (uncredited) |
| HHugh Bickett(uncredited) | (uncredited) |
| VVera BogettiLady Blessington (uncredited) | Lady Blessington (uncredited) |
 Barbara EverestBaroness Lehzen (uncredited) | Baroness Lehzen (uncredited) |
 Lyn HardingBismarck (uncredited) | Bismarck (uncredited) |
 Glynis JohnsMiss Sheridan (uncredited) | Miss Sheridan (uncredited) |
 Margaret JohnstonMiss Sheridan (uncredited) | Miss Sheridan (uncredited) |
 Nadine MarchMary Anne's maid (uncredited) | Mary Anne's maid (uncredited) |
 Gordon McLeodJohn Brown (uncredited) | John Brown (uncredited) |
 Leslie PerrinsEarl of Salisbury (uncredited) | Earl of Salisbury (uncredited) |
 Kynaston ReevesLord Stanley (uncredited) | Lord Stanley (uncredited) |
 Abraham SofaerTurkish ambassador (uncredited) | Turkish ambassador (uncredited) |
| AAndrea TroubridgeMiss Sheridan (uncredited) | Miss Sheridan (uncredited) |
