Hollywood -Oscar Nominee- Squares

I found this on the Slate.com site: Check it, and then go to their link for entering in the contest:

My guesses:

      01 George Clooney
      02 Christopher Walken
      03 Catherine Zeta-Jones
      04 Jack Lemmon
      05 Joaquin Phoenix
      06 Morgan Freeman
      07 Vivian Leigh
      08 Ang Lee
      09 Katharine Hepburn
      10 Woody Allen
      11 Meryl Streep
      12 Russell Crowe
      13 Renée Zellweger
      14 Cary Grant
      15 Reese Witherspoon
      16 Bette Davis
      17 Frank Sinatra
      18 Hillary Swank
      19 Diane Keaton
      20 Marlon Brando