(Bee Season, How to Lose Friends & Alienate People, Agora, The Social Network
) has joined the cast of the Timur Bekmambetov
-produced alien invasion movie titled The Darkest Hour
. Described as a 28 days later
-type thriller, the story follows a group of American tourists visiting Moscow Russia when an alien invasion occurs. Thirlby will play "a trust fund girl trying to survive the attack who teams up with others to try ...