Air-Vice Marshal (as George Mulcaster)
G.H. Mulcaster
Major General Lecturer
Patric Curwen
Cashier-Searchlight Operator (uncredited)
Charles Hawtrey
Chemist-Radio Operator (uncredited)
Michael Rennie
Orderly (uncredited)
Richard Todd
Cabinet Minister Sir Geoffrey
Carleton Hobbs
Butcher (as Jack Vivyan)
Jack Vyvyan
Baker
Charles Denville
Candlestick Maker
Norman Wooland
Rich Man
Arthur Metcalfe
Poor Man
Peter Cozens
Apothecary
Foster Carling
Gunner (uncredited)
Cyril Chosack
Writer
E. V. H. Emmett
Sound
John O. Douglas
Cinematography
George Pocknall
Assistant Director
J. Leutchford Bacon
Art Direction
Frank Bush
Director
Donald Carter
Music
Louis Levy