West Street, London WC2H 9NZ

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The Mousetrap

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Open Run

The Moustrap is to the West End what ravens are to the Tower of London, it's disappearance could impoverish us

Financial Times

Why See The Mousetrap?


now in its 70th year

In 1952, Agatha Christie's sprawling and intricate new whodunnit, The Mousetrap (based on her radio play, Three Blind Mice), opened in the West End on a very strict condition; no audience or press member was to ever give away the plot of the show! 

Christie herself was not altogether positive as to the play's run, giving it eight months 'at most', so perhaps her edict seemed fair at the time. But it is a testament to theatre audiences that The Mousetrap has endured at St. Martin's Theatre, running for an incredible seventy years to date. To put that into perspective, when the show first played, Winston Churchill was Prime Minister, London still suffered from the Great Smog, the NHS was just four years old, and Dame Vera Lynn dominated the hit parade!


Seven decades have done nothing to dull The Mousetrap, the story of an odd assortment of guests snowed in at Monkswell Manor, whilst a murderer is at large and en-route. But could they be already here? When bodies start showing up, it's up to the stranded group to solve the mystery, before they become a part of it?

Did you know?

Wonder why you haven't seen the film? The secrecy around the plot wasn't the only condition laid down by Dame Agatha. A film adaptation is only allowed six months after the West End production closes, and given that it has been going strong for nearly seventy years without any sign of ending, that doesn't look all that likely any time soon!

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Additional Information


Opening night: 25 March 1974


The Mousetrap is recommended age for children is 12 years and up. Young children are admitted but not encouraged unless the parent is confident that the child is old enough to be attentive to the performance and not a distraction for other members of the audience. Everyone must have a valid ticket and occupy a seat. Accompanying adults will be asked to remove any noisy infants.

Run time

Two hours 15 minutes with one 15-minute intermission

And before you stop reading

Cast and Creative


Lucy Doyle as Mollie Ralston
Daniel Cech-Lucas as Giles Ralston
Lynton Appleton as Christopher Wren
Jules Melvin as Mrs Boyle
Ben Onwukwe as Major Metcalf
Elyssia Roe as Miss Casewell
Lorenzo Martelli  as Mr Paravicini
Sam Stafford as Detective Sergeant Trotter


Written by Agatha Christie
Directed by Ian Talbot
Artistic Director Denise Silvey
Costume Supervisor Janet Hudson Holt
Producer Adam Spiegel 
Producer Sir Stephen Waley-Cohen
Original Producer Sir Peter Saunders
Company Stage Manager Graham Ray
Deputy Stage Manager Helen Cobb
Deputy Stage Manager (dep) James Hamilton 

Next available performances

Mon, Jul 22



Tue, Jul 23



Wed, Jul 24



Thu, Jul 25



Fri, Jul 26



Sat, Jul 27



Sun, Jul 28



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What you thought

17 reviews, average rating: (3.1 Stars)

3.0 star rating

C Reidy: “Suspense to the end”

Lovely quaint theatre excellent actors /actresses truly didn't work out... more

Marian: “fun, a bit daft, very well done. ”

I'm not a huge fan of Christie, but this play delivered. It was much fun,... more

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