The Mousetrap
An Agatha Christie Stage play that started off as a short radio play called 3 Blind Mice in honour of Queen Mary of Teck the consort of King George V.It began a record shattering run on the London stage on 25th November 1952 and at the Ambassodors' Theatre and has clocked up over 20,000 performances, it is still running to date (2004) at St. Martin's Theatre.
The original West End cast included Richard Attenborough.