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)

John Forbes-Robertson

First Reporter (uncredited)

Kenneth Watson

Second Reporter (uncredited)

Sean Kelly

Col. Rice, Moon Landing Crew (uncredited)

Gordon Robinson

Sgt Andrew Martin, Moon Landing Crew (uncredited)

John Murray Scott

Cosmonaut Nevsky, Moon Landing Crew (uncredited)

Brook Williams

British Astronaut, Moon Landing Crew (uncredited)

George Hilsdon

Constable (uncredited)

Mary Maxfield

Nurse (uncredited)

Huw Thomas

Announcer (uncredited)

Valentine Dyall

Narrator (uncredited)