'24' Bad Girl, 'Karen Sisco' Land Pilot Roles
"Karen Sisco" star Carla Gugino will star in the CBS alien-contact drama "Threshold."<br /> Dylan Baker ("Spider-Man 2"), Natasha Henstridge ("She Spies"), Judy Greer ("13 Going on 30") and Will Estes ("American Dreams") are also part of the latest round of pilot casting.