Keira Knightley has been roped in to star in Fox’s Sci-Fi thriller titled Never Let Me Go. Actors Andrew Garfield and Carey Mulligan will star alongside the Atonement star in the cloning-themed film. Director Mark Romanek of One Hour Photo fame will helm the project. The film’s story revolves around a trio who grow up in a boarding school with no contact or knowledge of the outside world, until they discover that they are clones grown for the sole purpose of organ donation. Knightley is also set to star in The Beautiful and the Damned and the remake of My Fair Lady.