Since its first performance on 6 October 1952, The Mousetrap continues to befuddle and entertain audiences in the West End - and worldwide.

This classic thriller, written by Agatha Christie, celebrates its 57th anniversary season this year - yet the ending remains a closely guarded secret from those that haven't seen it.

A group of people gathered together in a remote part of the countryside discover there is a murderer in their midst. The question, of course, is which one of them is the guilty party. Agatha Christie's classic thriller continues on the world's longest run.