Sienna Miller Joins Sommers 'G.I. Joe'

G.I. Joe: The Rise of Cobra
Sienna Miller is the first thesp to enlist in Paramount Pictures' big-budget tentpole "G.I. Joe."

British actress will play the film's female lead, described as a raven-haired baroness and sexy femme fatale skilled in espionage.

Stephen Sommers directs the live-action film based on the Hasbro toys, comicbook and TV series.