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The Mouse That Roared

6.419591h 23mPGMovieComedy

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…

DirectorJack Arnold
WritersRoger MacDougall·Stanley Mann
ProducerWalter Shenson

Where to watch

Availability shown for United Kingdom · rights vary by country

Cast · Directed by Jack Arnold

PSPeter Sellers
Peter Sellers
Grand Duchess Gloriana XII / Prime Minister Count Rupert Mountjoy / Tully Bascombe
JSJean Seberg
Jean Seberg
Helen Kokintz
WHWilliam Hartnell
William Hartnell
Will Buckley
DKDavid Kossoff
David Kossoff
Professor Alfred Kokintz
LMLeo McKern
Leo McKern
Benter
MPMacDonald Parke
MacDonald Parke
General Snippet
AWAustin Willis
Austin Willis
United States Secretary of Defense
TBTimothy Bateson
Timothy Bateson
Roger
MLMonte Landis
Monte Landis
Cobbley
AGAlan Gifford
Alan Gifford
Air Raid Warden
CGColin Gordon
Colin Gordon
BBC Announcer
HKHarold Kasket
Harold Kasket
Pedro

More from Peter Sellers · Lead actor

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1957
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More from Jean Seberg · Co-star actress

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More from Jack Arnold · Director

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1969 · 6.7
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The Mouse That Roared — streaming FAQ

Which OTT platform streams The Mouse That Roared?

The Mouse That Roared isn't on any subscription service in United Kingdom right now, but you can rent or buy it on Apple TV Store, Amazon Video and YouTube. It's not on Netflix.

Is The Mouse That Roared on Netflix?

No, The Mouse That Roared is not on Netflix in United Kingdom as of November 2026. You can rent or buy it on Apple TV Store and Amazon Video.

Is The Mouse That Roared on Amazon Prime Video?

The Mouse That Roared isn't included with a Prime Video subscription in United Kingdom, but you can rent or buy it on Amazon Video.

Where can I watch The Mouse That Roared for free?

The Mouse That Roared isn't available free in United Kingdom; you can only rent or buy it on Apple TV Store and Amazon Video.

Is there a sequel to The Mouse That Roared?

Yes — The Mouse That Roared is followed by The Mouse on the Moon (1963) in the Duchy of Grand Fenwick Collection.

Is there a prequel to The Mouse That Roared?

The Mouse That Roared is the first film in the Duchy of Grand Fenwick Collection.

Is The Mouse That Roared part of a trilogy?

No — The Mouse That Roared is part of the Duchy of Grand Fenwick Collection, which has 2 films.

How many movies are in the Duchy of Grand Fenwick Collection?

There are 2 films in the Duchy of Grand Fenwick Collection: The Mouse That Roared (1959) and The Mouse on the Moon (1963).