![The Mouse That Roared [Portuguese]](https://pbcdnw.aoneroom.com/image/2026/01/27/9d1147a52ae08ed5a69df315f04b50b5.jpg)
A tiny, impoverished European nation declares war on the United States of America, planning to lose in order to collect post-war compensation, but things don't go according to plan.
Trailer
Cast
Peter Sellers
Grand Duchess Gloriana XII
Peter Sellers
Prime Minister Count Rupert of Mountjoy
Peter Sellers
Tully Bascombe
Jean Seberg
Helen Kokintz
William Hartnell
Will Buckley
David Kossoff
Doctor Alfred Kokintz
Leo McKern
Benter
MacDonald Parke
General Snippet
Austin Willis
United States Secretary of Defense
Timothy Bateson
Roger
Monte Landis
Cobbley
Alan Gifford
Air Raid Warden
Colin Gordon
BBC Announcer
Harold Kasket
Pedro
Joe Beckett
American General
Nigel Bernard
Fenwickian MP
Wally Brown
Air Raid Warden
Jacques Cey
Ticket Collector
Charles Clay
British Ambassador
Henry De Bray
French Ambassador
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