| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.E.W. Mason | Crew | Writing | Novel |
A.W. Watkins | Crew | Sound | Sound Designer |
 Alexander Korda | Crew | Production | Producer |
 Clemence Dane | Crew | Writing | Screenplay |
 Erich Pommer | Crew | Production | Producer |
Jack Dennis | Crew | Editing | Editor |
Jack Rogerson | Crew | Crew | Sound Recordist |
 James Wong Howe | Crew | Camera | Director of Photography |
Lazare Meerson | Crew | Art | Set Decoration |
 René Clair | Crew | Directing | Assistant Director |
René Hubert | Crew | Costume & Make-Up | Costume Design |
 Richard Addinsell | Crew | Sound | Music |
Roland Gillett | Crew | Production | Production Manager |
Sergei Nolbandov | Crew | Writing | Screenplay |
Wilfred O'Kelly | Crew | Directing | Assistant Director |
 William K. Howard | Crew | Directing | Director |
 Charles Carson | Cast | Actor | Adm. Valdez |
 Donald Calthrop | Cast | Actor | Don Escobal |
 Evelyn Ankers | Cast | Actress | Lady-in-Waiting |
 Flora Robson | Cast | Actress | Queen Elizabeth I of England |
 Francis de Wolff | Cast | Actor | Sir James Tarleton |
George Thirlwell | Cast | Mr. Lawrence Gregory | |
 Henry Oscar | Cast | Actor | Spanish Ambassador |
 Howard Douglas | Cast | Actor | Lord Amberley |
 James Mason | Cast | Actor | Hillary Vane |
 Laurence Olivier | Cast | Actor | Michael Ingolby |
 Laurence Hanray | Cast | Actor | French Ambassador |
 Leslie Banks | Cast | Actor | The Earl of Leicester |
 Lyn Harding | Cast | Actor | Sir Richard Ingolby |
 Morton Selten | Cast | Actor | Lord Burleigh |
 Norma Varden | Cast | Actress | Elena's Governess (uncredited) |
 Raymond Massey | Cast | Actor | King Philip II of Spain |
 Robert Newton | Cast | Actor | Don Pedro |
 Robert Rendel | Cast | Actor | Don Miguel |
Roy Russell | Cast | Actor | Sir Humphrey Cooper |
 Tamara Desni | Cast | Actress | Elena |
 Vivien Leigh | Cast | Actress | Cynthia |
Graham Cheswright | Cast | Actor | Mr. Joseph Maddison |
Cecil Mainwaring | Cast | Lord Illingworth | |
A. Corney Grain | Cast | Actor | Hatton |
| Person | Type | Job | Role(s) |
