Where is the show playing in London?

The show is playing at the St. Martin’s Theatre in London.

How long is the play?

The running time of the play is 2 hours and 20 minutes, including one interval.

What is the play about?

Set in a remote guesthouse during a snowstorm, a group of strangers becomes entangled in a chilling murder mystery, one of whom is a killer.

Who wrote *The Mousetrap*?

The play was written by Agatha Christie, the best-selling novelist of all time and the Queen of Crime fiction.

Is the play appropriate for kids?

*The Mousetrap* is best suited for ages 7 years and above. However, the play includes murder, suspense and discussions about violence, which might be disturbing for some viewers.

What are the red herrings in *The Mousetrap*?

Without giving spoilers, nearly every character has a suspicious backstory or secret, creating multiple red herrings designed to mislead both the detective and the audience. It’s a masterclass in misdirection!

Why is the ending of this play a secret?

Since its premiere, audiences have been asked to “keep the secret” so future viewers can experience the twist unspoiled, it's one of London theatre’s most unique traditions.

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The Mousetrap

Plays

ClassicDrama

St Martins Theatre

Cast of "The Mousetrap" in period costumes on stage.

Duration

2 hrs 20 mins with interval

Closing Date

Until July 17, 2027

Age limit

Suitable for 7+ yrs

Why Watch The Mousetrap?

Join a global phenomenon with The Mousetrap in London, the world’s longest-running theatre show, which has been performed over 28,000 times in the West End.
It’s the Queen of Crime, Agatha Christie’s most famous murder mystery, a play that’s captivated more than 10 million people since opening in 1952.
Watch timeless 1950s design, costumes, and sets come alive at the beautifully preserved St. Martin’s Theatre, with its charming red velvet interiors.
With a twist ending that audiences are famously sworn not to reveal, it is a classic locked-room mystery that you have to unravel. Book your tickets to The Mousetrap in London now!

Set in the intimate St. Martin’s Theatre, where it’s been running since 1974, The Mousetrap remains gloriously faithful to its post-war period style. Written by Agatha Christie as a birthday gift for Queen Mary, this stylish whodunnit quickly became a staple of British theatre and an international legend. The show has seen more than 500 actors pass through its doors and even weathered a temporary pause to return to the stage stronger than ever. The Mousetrap has three entries in the Guinness Book of World Records, including the record for the longest continuous run of any show in the world, the most durable actor, and the longest-serving understudy. Book The Mousetrap London tickets for a taste of theatre history.

Storyline

A snowstorm cuts off an English country guesthouse, trapping a curious mix of strangers inside. When news arrives that a murderer is among them, tensions rise and secrets spill. As suspicion mounts and the body count climbs, it becomes clear that everyone has something to hide, and only one will turn out to be the killer.

Show timings

Show timings for The Mousetrap may vary every week. You can check the show timings for your preferred date at the next stage of booking.

Cast & Crew

Leading roles: Mollie Ralston as Saranna Parlone, Giles Ralston as Ben Riddle, Christopher Wren as Stefan Chanyaem, Mrs Boyle as Joanne Henry, Major Metcalf as James Staddon, Miss Casewell as Anna Rawlings, Mr Paravicini as Dugald Bruce-Lockhart, Detective Sergeant Trotter as Ben Galvin
Writer: Agatha Christie
Director: Philip Franks
Producers: Sir Peter Saunders (1952–1994), Sir Stephen Waley-Cohen (1994–2018), Adam Spiegel (2018–2024), Brian Fenty (2024–Present)
Artistic director: Denise Silvey
Company stage manager: Paula Salmon
Deputy stage manager: Helen Cobb
Assistant stage managers: Liv Koplick & Richard Parnwell
Movement director: Sophia Vi
Costume supervisor: Caroline Hannam
Head of wardrobe: Janet Hudson-Holt

Age Suitability

This show is suitable for ages 7 years and above. Children under 5 years will not be admitted to this show.
Children under 16 years of age must be accompanied by an adult over 18 years of age.
Content warning: The play includes murder, suspense and discussions about violence, which might be disturbing for some viewers.
Keep in mind, most theaters are air-conditioned throughout the year and can get a bit chilly. Bring along a light jacket if needed.

St Martins Theatre

St. Martin's Theatre, has been home to The Mousetrap since 1974 and remains one of the city’s most intimate and atmospheric venues. Built in 1916 and designated a Grade II-listed building, it retains its Edwardian elegance, with plush red velvet seats, carved wooden fixtures, and sparkling chandeliers that transport audiences back in time. With its compact layout and traditional charm, the theatre creates a sense of closeness between audience and action, ideal for a play built on secrets, whispers, and revelation. It’s also one of the few remaining family-run theatres in London, preserving a warm, personal touch that makes each visit feel like stepping into a classic whodunnit. St. Martin’s Theatre seating plan will help you find the best seats in the theater.

Getting There

Address: West St, London WC2H 9NZ, UK
By metro:
The nearest tube station is Leicester Square tube (Northern and Piccadilly lines)
By train:
Charing Cross Station – approximately 10 minutes on foot
By bus:
Buses to Charing Cross Road and Shaftesbury Avenue – 14, 19, 24, 29, 38 and 176.

Facilities & Accessibility

Amenities: Dining outlets, Cloak room, Toilets, Souvenir shop

Accessibility: Wheelchair accessible, Service animals allowed

Additional Information

Security: To ensure your comfort and security, you might encounter a few security checks when you arrive at the venue.
Dress code: Smart casual or semi-formal attire is the way to go.
Outside food: While outside food isn't usually allowed, many theaters have cafes or restaurants nearby for you to check out before or after the show.