Adaptation locks in male lead and fills out it supporting cast.

British actor Theo James (‘Downton Abbey,’ ‘Underworld: Awakening’) has been announced as the latest addition to the cast of Neil Burger’s highly anticipated adaptation of Veronica Roth’s ‘Divergent.’ He joins a cast that includes Shailene Woodley (‘The Spectacular Now,’ ‘The Descendants’), Jai Courtney (‘A Good Day To Die Hard,’ ‘Jack Reacher’), Maggie Q (‘Nikita,’ ‘Live Free or Die Hard’), Zoe Kravitz (‘After Earth,’ ‘X-Men: First Class’) and Ansel Elgort (‘Carrie’).

‘Divergent’ is a thrilling adventure set in a future world where people are divided into distinct factions based on their personalities, Tris Prior (Woodley) is warned she is Divergent and will never fit into any one group. When she discovers a conspiracy to destroy all Divergents, she must find out what makes being Divergent so dangerous before it’s too late.

James will be taking the male lead, that of “Four,” Prior’s intense yet charismatic instructor and one of the leaders of the Dauntless faction.

Additionally, Deadline has word that Aaron Eckhart (‘Olympus Has Fallen,’ ‘The Dark Knight’), Ray Stevenson (‘Thor: The Dark World,’ ‘G.I. Joe: Retaliation’), and Miles Teller (‘The Spectacular Now,’ ‘21 and Over’) are being lined up for supporting roles.