A new cast is joining Agatha Christie’s classic whodunnit The Mousetrap in London.
The new 2025 to 2026 cast starts on 12 May at the St Martin’s Theatre, and features Georgina Duncan (Looking Good Dead) as Mollie Ralston, Sam Hollis (Twelfth Night) as Giles Ralston, Adam Woolley (The Lord of the Rings: The Rings of Power ) as Christopher Wren, Lucy Tregear (And Then There Were None) as Mrs Boyle, Neil Reidman (Big Life) as Major Metcalf, Chloe Fenwick-Brown (The Last Disturbance of Madeline Hynde) as Miss Casewell, John Wark (The Habit of Art) as Mr Paravicini, and Jack Condon (Noughts & Crosses) as Detective Sergeant Trotter.
The understudies are Olivia Baird, Hilary Derrett, Richard Parnwell, Ben Riddle and Clive Marlowe.
Last month, The Mousetrap celebrated the extraordinary milestone of playing its 30,000th performance in London. The show has long been the world’s longest-running play, having been the West End’s most performed and longest-running play since September 1957.
It continues its record-breaking engagement at the St Martin’s Theatre, and will enter its 74th year on 25 November 2025.
The current cast of The Mousetrap, who are performing in the show until 10 May 2025, include Alasdair Buchan (Accolade) as Mr Paravicini, Lara Lemon (Witness for the Prosecution) as Mollie Ralston, Harry Bradley (The Play That Goes Wrong) as Giles Ralston, Richard Leeming (The Haunting) as Christopher Wren, Rekha John-Cheriyan (The Best Exotic Marigold Hotel) as Mrs Boyle, Owen Oakeshott (Land of the Free) as Major Metcalf, Grace Darling (Queen) as Miss Casewell, and Daniel Rainford (Laughing Boy) as Detective Sgt. Trotter.
Additional members of the company include understudies Liv Koplick, Clive Marlowe, Richard Parnwell, Ben Riddle, and Cathryn Sherman.
The director of The Mousetrap is Philip Franks, with Denise Silvey as Artistic Director, and the producer is Brian Fenty.
The Mousetrap at St Martin’s Theatre is booking to 21 March 2026.
Book tickets to The Mousetrap at St Martin’s Theatre London
St Martin's Theatre, London
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