Series One ;Main cast •
Stuart Bunce as Charles Gore, Juror #8 •
Gerard Butler as Johnnie Donne, Juror #1 •
Nicholas Farrell as Jeremy Crawford, Juror #5 •
Michael Maloney as Peter Segal, Juror #3 •
Helen McCrory as Rose Davies, Juror #2 •
Nina Sosanya as Marcia Thomas, Juror #4 •
Sylvia Syms as Elsie Beamish, Juror #6 •
Antony Sher as Gerald Lewis, Q.C. Counsel for the Prosecution •
Derek Jacobi as George Cording, Q.C. Counsel for the Defence •
Tim Healy as Eddie Fannon •
Jack Shepherd as Ron Maher •
Mark Strong as Len Davies •
Peter Vaughan as Michael Colchester ;Supporting cast
(in alphabetical order) •
Gillian Barge as Eva Prohaska, Juror #9 • Sonnell Dadral as Duvinder Singh, the Accused •
John Duttine as Mark Waters • Steven Emrys as Mr. De Jersey •
Nitin Ganatra as Tariq Shah, a solicitor •
Fiona Gillies as Fiona Crawford • James Hayes as Father Gervase • William Hoyland as Hector, Juror #10 • Tiana Paige Johnson as Joy Thomas •
Connor McIntyre as Derek Batey, Juror #11 • Claire Neilson as Eleanor Colchester • Joanne Pierce as Marion Segal •
Paul Reynolds as Warren Murphy, Juror #7 • Billy Scott as John Maher • Shaughan Seymour as the Judge • Steve Sweeney as Thomas Haines •
Ellen Thomas as Ruby Thomas • Sarah-Louise Young as Jessica Garland, Juror #12
Series Two ;Main cast •
Sarah Alexander as Theresa Vestry, Lucy’s boss •
Roger Allam as John Mallory, QC, prosecuting counsel. • Danny Babington as Brian Bundy, Juror #5 - A gambler who has already made his mind up about the case before hearing any of the evidence. •
Lisa Dillon as Tasha Williams, a mysterious woman who Paul finds himself drawn to, and was one of the members of the previous jury; she later turns out to be the sister of one of the victims. •
Jo Hartley as Ann Skailes, Juror #9 - A Christian woman who lives a simple life and finds herself drawn to Alan Lane. •
Ivanno Jeremiah as Tahir Takana, Juror #3 - A Sudanese refugee who is desperate to become an American citizen so he can join his brother in Nebraska. •
Branka Katić as Kristina Bamford, Juror #1 - A bored Eastern European housewife whose husband is constantly leaving her alone in the house. •
Aqib Khan as Rashid Jarwar, Juror # 7 - A boy who has just turned 18 and has
Asperger syndrome. •
John Lynch as Alan Lane, the Accused. •
Steven Mackintosh as Paul Brierly, Juror #2 - A divorcee who spends most of his time caring for his sick mother. •
Jodhi May as Katherine Bulmore, Juror #8 - A teacher who has had an affair with a 17-year-old student and finds out she is pregnant. •
Rory McCann as Derek Hatch, Juror #6 - A man who told his employer he was going on holiday, so he could have time off for Jury Service. He frequently visits a tanning salon to fool his employer when he returns to work. •
Ronald Pickup as Jeffrey Livingstone, Juror #10 - A pensioner who forms a bond with Tahir. •
Natalie Press as Lucy Cartwright, Juror #11 - A woman who is pretending to be her boss Theresa Vestry. •
Anne Reid as June Brierly, Paul's ill mother. •
Meera Syal as the headteacher at Katherine’s school. •
Julie Walters as Emma Watts, QC, counsel for the defence. ;Supporting cast •
Andy Beckwith as the proprietor of the hostel that Tahir is staying at •
Paul Bhattacharjee as Rashid’s father •
Shobu Kapoor as Rashid’s mother • William Mannering as Commander Howson • Iain Mitchell as
High Court judge • James Naughtie as a radio presenter reporting on the Bill to abolish trial by jury •
Meg Wynn Owen as Olive Livingstone, Jeffrey’s wife •
Danny Sapani as Detective Inspector Scott •
Martin Savage as Detective Inspector Bevan • Joy McBrinn as Aileen Turner, the jury foreman on the first trial •
Ronan Vibert as Jonathan Bamford, Kristina’s husband • Charlotte Weston as Rebecca Cheung, one of the murder victims ==Second series==