Keira Knightley will play Chris Pine's love interest in the upcoming Jack Ryan film.

Jack Ryan will see Pine play the famous Tom Clancy character formerly brought to life by Harrison Ford, Alec Baldwin and Ben Affleck.

The film is the first of a new trilogy and will show Ryan's life before he joins the CIA.

Knightley will play the female lead and his love interest with options that may see her star in all three films depending on how the story plays out.

Kevin Costner and Kenneth Branagh will also star in the film, set for release at the end of 2013.