Michelle Dockery, best know for her role as Lady Mary Crawley in PBS's "Downton Abbey," has signed on to star in "Defending Jacob," one of the TV shows Apple has ordered. "Defending Jacob" is a thriller based on William Landay's bestselling novel of the same title. The book covers the murder of a 14-year-old boy and his friend Jacob, who may have committed the crime. Image credit: Shutterstock Described as a character-driven thriller, the show will star Chris Evans and also Jaeden Martell, who starred in the recent remake of Stephen King's "IT." Evans will be playing Andy Barber, the father of a 14 year old (played by Martell) accused of murder. Dockery will be playing Laurie Barber, Andy's wife and Jacob's mother. Apple has more than a dozen television shows in the works, and the company is set to give us a first look at its upcoming streaming service on Monday, March 25 at 10:00 a.m. Pacific Time. Article Link: 'Downton Abbey' Star Michelle Dockery and 'IT' Actor Jaeden Martell Join Apple Series 'Defending Jacob'