Vanessa Kirby stars as the powerful and dangerous international arms dealer, Alanna Mitsopolis, in the new "Mission: Impossible — Dead Reckoning Part One" movie. Kirby brings an electrifying dynamic to the film, inspired by the '60s TV series and featuring technology as both a weapon and a source of entertainment. Kirby's portrayal of the White Widow is sure to be an exciting and thrilling ride, with the movie's focus on technology and artificial intelligence.