| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.W. Watkins | Crew | Sound | Recording Supervision |
Charles E. Parker | Crew | Costume & Make-Up | Makeup Artist |
Dora Wright | Crew | Production | Production Manager |
Douglas Gamley | Crew | Crew | Additional Music |
Elizabeth Haffenden | Crew | Costume & Make-Up | Costume Design |
Elliot Scott | Crew | Art | Art Direction |
Frank Clarke | Crew | Editing | Editor |
 Freddie Young | Crew | Camera | Director of Photography |
 Gore Vidal | Crew | Writing | Screenplay |
Joan Johnstone | Crew | Costume & Make-Up | Hairdresser |
 José Ferrer | Crew | Directing | Director |
Muir Mathieson | Crew | Sound | Conductor |
Nicholas Halasz | Crew | Writing | Novel |
Otto Plaschkes | Crew | Directing | Second Assistant Director |
 Peter Diamond | Crew | Crew | Stunts |
Sam Zimbalist | Crew | Production | Producer |
Tom Howard | Crew | Visual Effects | Visual Effects |
Van Allen James | Crew | Sound | Sound Editor |
William Alwyn | Crew | Sound | Original Music Composer |
Kendrick Kinney | Crew | Sound | Sound Editor |
John Logan | Crew | Sound | Sound Editor |
 Anthony Ireland | Cast | Actor | Judge at First Dreyfus Trial |
 Anton Walbrook | Cast | Actor | Maj. Esterhazy |
 Arthur Howard | Cast | Actor | Captain Lauth |
 Carl Jaffe | Cast | Actor | Colonel Maximilian von Schwarzkoppen |
 Charles Gray | Cast | Actor | Captain Brossard |
 David Farrar | Cast | Actor | Mathieu Dreyfus |
 Donald Wolfit | Cast | Actor | Gen. Mercier |
 Emlyn Williams | Cast | Actor | Emile Zola |
 Eric Pohlmann | Cast | Actor | Bertillon |
 Ernest Clark | Cast | Actor | Prosecutor at First Dreyfus Trial |
 Felix Aylmer | Cast | Actor | Edgar Demange |
 George Coulouris | Cast | Actor | Colonel Sandherr |
 Harry Andrews | Cast | Actor | Maj. Henry |
 Herbert Lom | Cast | Actor | Maj. DuPaty de Clam |
John Chandos | Cast | Actor | Drumont |
 John Phillips | Cast | Actor | Prosecutor at Esterhazy Trial |
José Ferrer | Cast | Actor | Captain Alfred Dreyfus |
 Keith Pyott | Cast | Actor | Judge at Second Dreyfus Trial |
 Laurence Naismith | Cast | Actor | Judge at Esterhazy Trial |
 Leo Genn | Cast | Actor | Maj. Picquart |
 Malcolm Keen | Cast | Actor | President of France |
 Michael Hordern | Cast | Actor | Prosecutor at Second Dreyfus Trial |
 Michael Trubshawe | Cast | Actor | English Publisher |
 Peter Illing | Cast | Actor | Georges Clemenceau |
 Ronald Howard | Cast | Actor | Captain Avril |
 Viveca Lindfors | Cast | Actress | Lucie Dreyfus |
Violet Gould | Cast | Old Woman | |
Rachel Lemkov | Cast | Captain Dreyfus' Daughter | |
| Person | Type | Job | Role(s) |
