When an unexploded WWII bomb is accidentally detonated in Pimlico, it reveals a treasure trove and documents proving that the region is in fact part of Burgundy, France and thus foreign territory. The British government attempts to regain control by setting up border controls and cutting off services to the area.

Stanley Holloway
as Arthur Pemberton

Hermione Baddeley
as Edie Randall

Margaret Rutherford
as Professor Hatton-Jones

Paul Dupuis
as Duke of Burgundy

Raymond Huntley
as Mr. Wix

John Slater
as Frank Huggins

Jane Hylton
as Molly

Betty Warren
as Connie Pemberton

Barbara Murray
as Shirley Pemberton

Sydney Tafler
as Fred Cowan
CinemaSerf
I think this ranks amongst the best of the post-war British comedies. The residents of an heavily bombed-out part of London are deliberating what to do with some waste ground when an unexploded bomb goes off on the site leading to the discovery of a fantastic medieval treasure. Amongst this treasure...