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