The Mousetrap, & Other Plays by Agatha Christie — begins it's 60th consecutive year in performance in London's theaters. That's 24,587 performances to date. Written for the radio, the play debuted on November 25, 1952 at the Ambassador Theater starring Richard Attenborough as Detective-Sargent. In 1974 the play transferred to the Martin Beck Theater in London and has been playing there since. Theater goers are asked at every performance not to reveal the play's ending. Beginning in September 25, 2012, The Mousetrap will go on tour. Additional 'murderous' events are planned in celebration.