| Person | Type | Job | Role(s) |
|---|---|---|---|
 Buster Ambler | Crew | Sound | Sound Recordist |
 Charles H. Schneer | Crew | Production | Producer |
 H.G. Wells | Crew | Writing | Original Story |
Harry Gillam | Crew | Camera | Camera Operator |
Jan Read | Crew | Writing | Screenplay |
John Blezard | Crew | Art | Art Direction |
Laurie Johnson | Crew | Sound | Original Music Composer |
Les Bowie | Crew | Crew | Other |
Maurice Rootes | Crew | Editing | Editor |
 Nathan Juran | Crew | Directing | Director |
 Nigel Kneale | Crew | Writing | Screenplay |
 Ray Harryhausen | Crew | Visual Effects | Visual Effects |
Red Law | Crew | Sound | Sound Recordist |
Wilkie Cooper | Crew | Camera | Director of Photography |
Basil Mannin | Crew | Crew | Scenic Artist |
Eileen Head | Crew | Directing | Continuity |
Kit West | Crew | Crew | Other |
Ted Wallis | Crew | Production | Production Manager |
George Pollard | Crew | Directing | Assistant Director |
Arthur Garratt | Crew | Crew | Technical Advisor |
 Betty McDowall | Cast | Actress | Margaret Hoy |
Brook Williams | Cast | Actor | British Astronaut, Moon Landing Crew (uncredited) |
 Douglas Ives | Cast | Sparks (uncredited) | |
 Edward Judd | Cast | Actor | Arnold Bedford |
 Erik Chitty | Cast | Actor | Gibbs (uncredited) |
Gordon Robinson | Cast | Actor | Sgt Andrew Martin, Moon Landing Crew (uncredited) |
 Hugh McDermott | Cast | Actor | Richard Challis |
John Forbes-Robertson | Cast | Actor | First Reporter (uncredited) |
Kenneth Watson | Cast | Actor | Second Reporter (uncredited) |
 Laurence Herder | Cast | Actor | Glushkov, UN Space Agency |
 Lionel Jeffries | Cast | Actor | Joseph Cavor |
 Marne Maitland | Cast | Actor | Dr. Tok, UN Space Agency (uncredited) |
 Martha Hyer | Cast | Actress | Kate Callender |
 Miles Malleson | Cast | Actor | Dymchurch Registrar |
 Norman Bird | Cast | Actor | Stuart |
 Paul Carpenter | Cast | Actor | Reporter from the 'Express' (uncredited) |
 Peter Finch | Cast | Actor | Bailiff's Man (uncredited) |
Sean Kelly | Cast | Actor | Col. Rice, Moon Landing Crew (uncredited) |
 Valentine Dyall | Cast | Actor | Narrator (uncredited) |
 Gladys Henson | Cast | Actress | Nursing Home Matron |
George Hilsdon | Cast | Actor | Constable (uncredited) |
Mary Maxfield | Cast | Nurse (uncredited) | |
John Murray Scott | Cast | Actor | Cosmonaut Nevsky, Moon Landing Crew (uncredited) |
| Person | Type | Job | Role(s) |
