The Duchy of Grand Fenwick decides that the only way to get out of their economic woes is to declare war on the United States, lose and accept foreign aid. They send an invasion force (in chain mail, armed with bows and arrows) to New York and they arrive during a nuclear drill that has cleared the streets.
Peter Sellers
as Grand Duchess Gloriana XII / Prime Minister Count Rupert Mountjoy / Tully Bascombe
Jean Seberg
as Helen Kokintz
William Hartnell
as Will Buckley
David Kossoff
as Professor Alfred Kokintz
Leo McKern
as Benter
MacDonald Parke
as General Snippet
Austin Willis
as United States Secretary of Defense
Timothy Bateson
as Roger
Monte Landis
as Cobbley
Alan Gifford
as Air Raid Warden
Colin Gordon
as BBC Announcer
Harold Kasket
as Pedro
