• In 1959, the cast of The Mousetrap , armed with various props, gave a special performance at Wormwood Scrubs prison. During the performance, two prisoners escaped.
  • It was originally written by Agatha Christie as a short radio play Three Blind Mice to celebrate the 80th birthday of the late Queen Mary.
  • When it opened on November 25, 1952, Richard Attenborough and his fellow film star and wife Sheila Sim were cast in the leading roles.
  • Ever since the show moved to St Martin’s theatre in 1974, every prop has been replaced. Only the clock on the mantelpiece and the original wind machine are still in use to this day.
  • The late Deryck Guyler who died in 1999, provided the pre-recorded voice for the newsreader in the first act which is still in use. It was digitised to provide better quality.
  • The Mousetrap has three entries in the Guinness Book of Records, including: for the ‘longest continuous run of any show in the world’; ‘most durable’ actor (David Raven, who played Major Metcalf for 4,575 performances from July 22, 1957 until November 23, 1968); and ‘longest serving understudy’ (Nancy Seabrooke, who stood by as Mrs Boyle 6,240 times until March 12, 1994, and actually did so 72 times).