- Flora Robson
- Queen Elizabeth
- Raymond Massey
- Philip of Spain
- Leslie Banks
- Leicester
- Laurence Olivier
- Michael
- Vivien Leigh
- Cynthia
- Morton Selten
- Burleigh
- Tamara Desni
- Elena
- Lyn Harding
- Sir Richard
- George Thirlwell
- Gregory
- Henry Oscar
- Spanish Ambassador
- Robert Rendel
- Don Miguel
- Robert Newton
- Don Pedro
- Donald Calthrop
- Don Escobal
- James Mason
- Vane
- Charles Carson
- Adm. Valdez
- Howard Douglas
- Lord Amberley
- Cecil Mainwaring
- Lord Illingworth
- Francis De Wolff
- Sir James Tarleton
- Graham Cheswright
- Joseph Maddison
- A. Corney Grain
- Hatton
- Lawrence Hanray
- French Ambassador
- Roy Russell
- Sir Humphrey Cooper
- Evelyn Ankers
- Lady-in-Waiting
- Noel Brophy
- Irishman
- Beryl de Querton
- Chief Lady-in-Waiting
- Pam Downing
- Courtier
- Franklin Dyall
- (uncredited)
- Vallejo Gantner
- Courtier
- Herbert Lomas
- Undetermined Role
- Ralph Truman
- Spanish Inquisition Representative
- Norma Varden
- Elena's Governess
