

The Mouse That Roared (1959)
They're taking over the country in an invasion of laughs!
Plot Summary
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.
Full Cast & Characters

Peter Sellers
Grand Duchess Gloriana XII / Prime Minister Count Rupert Mountjoy / Tully Bascombe

Jean Seberg
Helen Kokintz

William Hartnell
Will Buckley

David Kossoff
Professor 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
Director & Crew
Jack Arnold
Director
Official Trailer

Where to Watch The Mouse That Roared Online
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Frequently Asked Questions
Where can I watch The Mouse That Roared online?
The Mouse That Roared (1959) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of The Mouse That Roared?
It has an IMDb rating of 6.3/10 based on 137 votes.
Who directed The Mouse That Roared?
The Mouse That Roared was directed by Jack Arnold and released in 1959.
How long is The Mouse That Roared?
The Mouse That Roared has a runtime of 1 hours and 23 minutes.
Movie Details
- Release Date
- 1959-07-17
- Status
- Released





