Ricardo DeAratanha / Los Angeles Times
What she has: Emmy ("Sex and the City" and "Law and Order: SVU"), Grammy ("An Inconvenient Truth") and Tony ("Rabbit Hole").
What she needs: An Oscar. Nixon needs to nab a juicy movie role if she hopes to take home an Academy Award. She tried with Oren Moverman's "Rampart" in 2011, but didn't get a nod for the indie role.