45. Gina Carano
Occupation: MMA fighter, actress
Biggest accomplishment this year: Co-starring in the box office smash Fast & Furious 6
This MMA star may not have to be a fighter for much longer; after a strong performance in Fast & Furious 6, Gina Carano has cemented herself as a bankable female action star. Her subway fight scene with Michelle Rodriguez was the kind of brutal, dragdown event moviegoers love to see. Not to mention, she'll be starring later this year in In the Blood, essentially a version of Taken where Carano is the one on the rampage. We certainly wouldn't want to mess with her. Her performances have been strong, and in 2013 she was nominated for the Critics Choice Award for Best Actress in an Action Movie for her role in 2012's Haywire.