G.H. Mulcaster
Air-Vice Marshal (as George Mulcaster)
Patric Curwen
Major General Lecturer
Carleton Hobbs
Cabinet Minister Sir Geoffrey
Jack Vyvyan
Butcher (as Jack Vivyan)
Charles Denville
Baker
Norman Wooland
Candlestick Maker
Arthur Metcalfe
Rich Man
Peter Cozens
Poor Man
Foster Carling
Apothecary
Cyril Chosack
Gunner (uncredited)
Charles Hawtrey
Cashier-Searchlight Operator (uncredited)
Michael Rennie
Chemist-Radio Operator (uncredited)
Richard Todd
Orderly (uncredited)
Crew