Knightley in talks for code-cracker biopic

Keira Knightley is in talks to star opposite Benedict Cumberbatch in 'The Imitation Game'.

The 28-year-old actress looks set to appear alongside the 'Star Trek into Darkness' actor in the biopic - which is based on the book 'Alan Turing: The Enigma', based on the life story of the mathematician - with 'Headhunters' director Morten Tyldum in line to helm the movie, Variety reports.