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The Mousetrap

St Martin's Theatre, LondonOpen-ended West End run at St Martins Theatre; tickets on sale on British TheatreAbout 2 hours, including one interval7+ (under 16s must sit with an adult; under 4s not admitted)4.61,103 reviews

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Running time

About 2 hours, including one interval

Age guidance

7+ (under 16s must sit with an adult; under 4s not admitted)

Venue

St Martin's Theatre, London

Category

Plays

Ratings & Reviews

British Theatre has covered The Mousetrap in 15 articles since 2015.

4.6

1,103 reviews

5 star
4 star
3 star
2 star
1 star

Based on 1,103 verified audience ratings from official ticket partners.

About the show

Book The Mousetrap at St Martins Theatre: the longest-running play in the world. About 2 hours including interval. Official seats on British Theatre.

Book The Mousetrap tickets in London

The Mousetrap is the longest-running play in the world at St Martins Theatre, Agatha Christie’s classic whodunnit still packing the West Street house night after night. Choose your date and official seats on the The Mousetrap tickets page on British Theatre.

A snowbound guest house, a murder, and a cast of strangers who may not be who they seem: the suspense still lands for first-timers and return visitors. Keep the ending to yourself. That is part of the tradition.

What a Mousetrap evening at St Martins Theatre feels like

Plan for about 2 hours, including one interval. Expect a classic drawing-room mystery, sharp dialogue, and a final twist the company asks you not to spoil. St Martins Theatre sits on West Street by Cambridge Circus, a short walk from Leicester Square and Covent Garden, with plenty of pre-theatre options nearby. Arrive on time: missing the opening scenes means missing vital clues.

How to book The Mousetrap tickets on British Theatre

Pick a performance, compare seats for St Martins Theatre, then book through The Mousetrap on British Theatre. Stalls put you close to the action. The Circle often gives a clear view of the full set. Casting can change, so check the listing for the night you want.

Practical tips for The Mousetrap at St Martins Theatre

There is no formal dress code. Smart casual is typical. Leave time for West Street crowds and the theatre foyers. Outside food and drink are not usually allowed in the auditorium. Phones off once the show starts, and no photography during the performance. Latecomers are admitted at a suitable break, but arriving late to a mystery is a genuine risk.

Why you will love The Mousetrap at St Martins

  • See the longest-running play in the world live in the West End
  • Enjoy Agatha Christie’s landmark whodunnit with a live company
  • Join the tradition of keeping the murderer a secret
  • Book official The Mousetrap tickets with live availability

If you want another London night out, see The Phantom of the Opera or Hamilton. For venue details and travel, start with the St Martins Theatre guide.

Good to know about The Mousetrap at St Martins Theatre

Age guidance

Recommended for ages 7 and above. Children under 4 are not admitted. Guests under 16 must be accompanied by an adult. Everyone needs their own ticket.

Running time

About 2 hours, including one interval.

Seating at St Martins Theatre

The St Martins Theatre is an intimate West End house. Compare stalls and circle options on the The Mousetrap page before you book.

Performance schedule

Evenings: 7.30pm Mon – Sat
Matinees: 2.30pm Wed & Sat

Cast & Creatives

Full cast & creatives

Who is in The Mousetrap London cast?

The current London cast features Georgina Fairbanks as Mollie Ralston, Cai Brigden as Giles Ralston, Joshua Riley as Christopher Wren, Nicky Goldie as Mrs Boyle, Christopher Wright as Major Metcalf, Kate Handford as Miss Casewell, Stephen Ventura as Mr Paravicini, and Thomas Dennis as Detective Sergeant Trotter.

Who directs The Mousetrap?

The Mousetrap is now directed by Ola Ince, who joined the production in November 2025 to refresh the world's longest-running play while honouring its traditions. The production is produced by Brian Fenty.

What records has The Mousetrap broken?

The Mousetrap holds the Guinness World Record for the longest theatrical run in history. In March 2025, it celebrated its 30,000th performance in London. It has been the longest-running show in the West End since September 1957. Over 400 actors have played the eight roles since 1952, and the original run featured Richard Attenborough as Detective Sergeant Trotter.

Frequently asked questions

What age is The Mousetrap suitable for?

The Mousetrap is recommended for ages 7 and above. Children under 4 will not be admitted. Guests under 16 must be accompanied by an adult at St Martins Theatre. Everyone needs their own ticket.

How long is The Mousetrap?

The performance runs for approximately 2 hours, including one interval.

Is there a tradition at The Mousetrap?

Yes. At the end of each performance, the cast asks the audience to keep the identity of the murderer a secret. This tradition has been maintained for more than 70 years.

Where is The Mousetrap playing in London?

The Mousetrap plays at St Martins Theatre on West Street in the West End, near Cambridge Circus and Leicester Square.

Are The Mousetrap tickets on sale on British Theatre?

Yes. Official The Mousetrap tickets for St Martins Theatre are on sale on British Theatre. Choose your date and seats on The Mousetrap show page.

Cancellation policy. These tickets cannot be cancelled or rescheduled.

Venue

St Martin's Theatre, London

View venue
Tube

Leicester Square

Train

Charing Cross

Bus

14, 19, 22, 24, 29, 38, 40, 176

Parking

MasterPark Cambridge Circus. NCP Upper St Martins Lane, Bedfordbury. Soho, Chinatown (Q Park scheme).

St Martin's Theatre seating plan

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The Mousetrap: The World's Longest-Running Play

The Mousetrap at St Martin's Theatre: a guide to the world's longest-running play, the story, the seating at St Martin's and what visitors need to know.

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The Mousetrap