Claudia Black, 33, Farscape
Charisma Carpenter, 35, Angel
Gabrielle Union, 32, forthcoming Honeymooners
~Halle Berry, 39, Monsterball
Melissa George, 29, remake of Amityville Horror
Jessica Alba, 24, Fantastic Four
Katherine Heigl, 27,Grey's Anatomy
Lacey Cabert, 23, Mean Girls
Bethany Joy Lenz, 24,One Tree Hill
Angelina Jolie, 30, forthcoming Mr. And Mrs. Smith
Mandy Moore, 21,Walk to Remember
*Morena Baccarin, 26,Serenity
Venus Terzo, 38, Behind the Camera: The Unauthorized Story of 'Mork & Mindy'
Anne Hathaway, 23, Princess Diaries
~Berry, when given adequet material, is a fine actor, but she will be horribly tainted by Catwoman.
*Baccarin, having worked with Whendon on the show and movie is possibly the best bet.