Nominees:
Winner is marked with an asterisk (*) and highlighted in bold.

Rose Byrne as Ellen Parsons, FX Networks' "Damages"

Sandra Oh as Dr. Christina Yang, ABC's "Grey's Anatomy" (pictured at right)

Chandra Wilson as Dr. Miranda Bailey, ABC's "Grey's Anatomy"

Dianne Wiest as Gina, HBO's "In Treatment"

Hope Davis as Mia, HBO's "In Treatment"

*Cherry Jones as President Allison Taylor, FOX's "24"