Raymond Massey
John Cabal / Oswald Cabal
Edward Chapman
Pippa Passworthy / Raymond Passworthy
Margaretta Scott
Roxana / Rowena
Cedric Hardwicke
Theotocopulos
Maurice Braddell
Dr. Harding
Derrick De Marney
Richard Gordon
Pearl Argyle
Catherine Cabal
Kenneth Villiers
Maurice Passworthy
Patricia Hilliard
Janet Gordon
Charles Carson
Great Grandfather
Patrick Barr
World Transport Official (uncredited)
Noel Brophy
Irishman (uncredited)
John Clements
The Airman (uncredited)
Anthony Holles
Simon Burton (uncredited)
Allan Jeayes
Mr. Cabal (uncredited)
Pickles Livingston
Horrie Passworthy (uncredited)
George Sanders
Celestial Body (uncredited)
Abraham Sofaer
The Jew (uncredited)
Terry-Thomas
Man of the Future (uncredited)
