The story remains a mystery and had over six million people glued to their screens watching ITV’s adaptation of this West End smash hit play.

Now, uncovering new evidence, it’s time to ask you, the audience, to put fingers on keypads and answer the ultimate 50/50: guilty or not guilty?

Quiz’s star cast includes Rory Bremner, Britain’s top impressionist, actor and comedian, Emmerdale’s Charley Webb in her first role since leaving the iconic soap, Lewis Reeves, best known best known from I May Destroy You and The Midwich Cuckoos, with Mark Benton, star of hits including Northern Lights, Waterloo Road and most recently Shakespeare and Hathaway: Private Investigators.

Quiz is by James Graham and is directed by Daniel Evans and Seán Linnen.

QUIZ is a fictional imagination based on real events which took place in 2001 following an episode of Who Wants To Be A Millionaire? It is not in any way connected with the makers of the programme or any of the individuals portrayed. The television programme Who Wants To Be A Millionaire? is produced by 2waytraffic.