Keira Knightley in Talks for Jack Ryan

TORONTO, ON - SEPTEMBER 10: Actress Keira Knightley arrives onstage at "A Dangerous Method" press conference during the 2011 Toronto International Film Festival at TIFF Bell Lightbox on September 10, 2011 in Toronto, Canada. (Photo by Alberto E. Rodriguez/Getty Images) Photo: Alberto E. Rodriguez/2011 Getty Images

As previously rumored, Knightley is closing in on the role of Mrs. Ryan, wife to the titular Jack (Chris Pine), in the upcoming Kenneth Branagh–directed Tom Clancy prequel. (This is the one about the evil Russian guy who tries to destroy the American economy by devaluing the dollar.) So either Keira has changed her mind about tentpole movies, or it's not a "blockbuster" if it involves international fiscal policy? Discuss.