HIT show Who Wants To Be A Millionaire? had the nation gripped when contestant Charles Ingram won the coveted million pound prize in 2001.
After their coughing scandal was discovered, he and his wife went on trial for cheating their way to the win which then went on to become an ITV drama called .
Who is in the Quiz cast?
Michael Sheen as Chris Tarrant
Michael Sheen plays Chris Tarrant, the host of Who Wants To Be A Millionaire? at the time.
The Welsh actor began his career in theatre in the 90s, most notably appearing in Romeo and Juliet (1992) and Henry V (1997).
He was nominated for Oliver Awards in 1998, 1999 and 2003.
In the 2000s, he progressed into screen acting and played Tony Blair in TV flick, The Deal, in 2003, a role for which he was nominated for a Bafta and also an Emmy.
Matthew Macfadyen as Major Charles Ingram
Matthew Macfadyen is playing Major Charles Ingram - dubbed as the coughing major for his role in the scandal.
Macfayden has appeared in roles in theatre, film and television and currently stars as Tom Wambsgans in the critically acclaimed HBO drama series Succession.
In 2010, he won a Bafta for Best Supporting Actor for his work in Criminal Justice.
Sian Clifford as Diana Ingram
Sian Clifford plays Diana Ingram - wife of Major Charles Ingram, who was also complicit in the crime.
She is best known for her role in BBC comedy drama Fleabag, in which she plays Claire.
For her stellar performances in the second season of the show, she was nominated for an Emmy and a Critic's Choice Award.
Mark Bonnar as Paul Smith, Celador Television Chairman
Mark Bonnar plays Paul Smith, the head of the company who produced the show in this series.
Bonnar has been a regular on our TV screens appearing in a wide range of shows from BBC'S New Blood, to Channel 4's comedy Catastrophe.
The Shetland actor was born in Edinburgh, and married his wife Judy Gaskell in 2007, the pair then went on to have two children, in 2011 and 2015, respectively.
Helen McCrory as Sonia Woodley QC
Helen McCrory plays Sonia Woodley QC, the barrister who defended the Ingrams in court.
British viewers will most know her from Peaky Blinders where she stars as Polly Gray.
She has had a glittering career, starring in all-three Harry Potter films, and in James Bond's Skyfall.
In 2017, she received an OBE for her service to drama in the New Year Honours.
McCrory is married to actor, Damian Lewis, with whom she has two children with.
Michael Jibson as Tecwen Whittock
Michael Jibson plays Tecwen Whittock who was found guilty of coughing the right answers to Major Ingram on the show.
Jibson made his theatre debut aged just 14, when he appeared in Oliver!
He later went on to to join the National Youth Music Theatre of which he is now a patron.
In 2018, he won an Olivier Award for Best Actor in a Supporting Role in a Musical, for his role in Hamilton.
Aisling Bea as Claudia Rosencrantz
Aisling Bea plays Claudia Rosencrantz, who commissioned the series for ITV.
Bea began her career as a stand-up comedian in 2011 and soon after started appearing in sketch-comedy shows and sitcoms.
She won an award for her work at the Edinburgh Comedy Awards in 2012, this opened some doors for her as she became a team captain on hit show 8 Out Of 10 Cats and took part in popular Dave comedy Taskmaster.
More On Quiz
When was Quiz on ITV?
The show aired from April 13 to April 15, 2020,
You can now watch it on the .
The episodes are an hour long.