Opened at the Ambassadors Theatre in London on 25 November 1952. The World's Longest Running Play! A group of people gathered together in a remote part of the countryside discover there is a murderer in their midst. The question is which one of them is the guilty party.
Run Time 2 hrs 15 mins. For its 60th year The Mousetrap at the St. Martin's Theatre is to introduce a small charity fee of 60p on each ticket, in addition to the regular ticket price, which will be applied entirely for the benefit of charities working with young people and the arts, including Mousetrap Theatre Projects.