| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.W. Watkins | Crew | Sound | Recording Supervision |
 Alexander Korda | Crew | Production | Producer |
Arthur Bliss | Crew | Sound | Original Music Composer |
Cathleen Mann | Crew | Costume & Make-Up | Costume Design |
 Charles Crichton | Crew | Editing | Editor |
Francis D. Lyon | Crew | Editing | Editor |
Frank Wells | Crew | Art | Assistant Art Director |
Geoffrey Boothby | Crew | Directing | Assistant Director |
 Georges Périnal | Crew | Camera | Director of Photography |
 H.G. Wells | Crew | Writing | Screenplay, Novel |
John Armstrong | Crew | Costume & Make-Up | Costume Design |
Lawrence W. Butler | Crew | Crew | Special Effects Assistant |
Muir Mathieson | Crew | Sound | Music Director |
Ned Mann | Crew | Crew | Special Effects |
René Hubert | Crew | Costume & Make-Up | Costume Design |
Robert Krasker | Crew | Camera | Camera Operator |
Vincent Korda | Crew | Art | Art Direction |
 William Cameron Menzies | Crew | Directing | Director |
William Hornbeck | Crew | Editing | Supervising Editor |
Sam Williams | Crew | Costume & Make-Up | Costume Design |
David B. Cunynghame | Crew | Production | Production Manager |
Nigel Tangye | Crew | Crew | Technical Advisor |
Edward Cohen | Crew | Crew | Special Effects |
 Abraham Sofaer | Cast | Actor | The Jew (uncredited) |
 Allan Jeayes | Cast | Actor | Mr. Cabal (uncredited) |
 Ann Todd | Cast | Actress | Mary Gordon |
Anthony Holles | Cast | Actor | Simon Burton (uncredited) |
 Cedric Hardwicke | Cast | Actor | Theotocopulos |
 Charles Carson | Cast | Actor | Great Grandfather |
 Derrick De Marney | Cast | Actor | Richard Gordon |
 Edward Chapman | Cast | Actor | Pippa Passworthy / Raymond Passworthy |
 George Sanders | Cast | Actor | Celestial Body (uncredited) |
Ivan Brandt | Cast | Actor | Morden Mitani |
 John Clements | Cast | Actor | The Airman (uncredited) |
Kenneth Villiers | Cast | Maurice Passworthy | |
 Margaretta Scott | Cast | Actress | Roxana / Rowena |
Maurice Braddell | Cast | Actor | Dr. Harding |
 Patricia Hilliard | Cast | Actress | Janet Gordon |
 Patrick Barr | Cast | Actor | World Transport Official (uncredited) |
 Pearl Argyle | Cast | Actress | Catherine Cabal |
 Ralph Richardson | Cast | Actor | The Boss |
 Raymond Massey | Cast | Actor | John Cabal / Oswald Cabal |
 Sophie Stewart | Cast | Actress | Mrs. Cabal |
 Terry-Thomas | Cast | Actor | Man of the Future (uncredited) |
Noel Brophy | Cast | Irishman (uncredited) | |
Pickles Livingston | Cast | Horrie Passworthy (uncredited) | |
Anne McLaren | Cast | The Child | |
| Person | Type | Job | Role(s) |
