The Gap

G.H. Mulcaster

Air-Vice Marshal (as George Mulcaster)

Patric Curwen

Major General Lecturer

Norman Wooland

Candlestick Maker

Charles Hawtrey

Cashier-Searchlight Operator (uncredited)

Michael Rennie

Chemist-Radio Operator (uncredited)

Richard Todd

Orderly (uncredited)

Carleton Hobbs

Cabinet Minister Sir Geoffrey

Jack Vyvyan

Butcher (as Jack Vivyan)

Charles Denville

Baker

Arthur Metcalfe

Rich Man

Peter Cozens

Poor Man

Foster Carling

Apothecary

Cyril Chosack

Gunner (uncredited)