Edward Judd
Arnold Bedford
Martha Hyer
Kate Callender
Lionel Jeffries
Joseph Cavor
Miles Malleson
Dymchurch Registrar
Norman Bird
Stuart
Gladys Henson
Nursing Home Matron
Hugh McDermott
Richard Challis
Betty McDowall
Margaret Hoy
Erik Chitty
Gibbs (uncredited)
Douglas Ives
Sparks (uncredited)
Peter Finch
Bailiff's Man (uncredited)
Marne Maitland
Dr. Tok, UN Space Agency (uncredited)
Laurence Herder
Glushkov, UN Space Agency
Paul Carpenter
Reporter from the 'Express' (uncredited)
