“There are substantially more African American, Latino and Asian American faces onscreen than just three years ago, when the National Association for the Advancement of Colored People denounced the industry for the lack of cultural diversity in prime time. Indeed, on the big four broadcast networks, as well as UPN and the WB, there are actors of color in 26 of the 33 shows premiering this season.” But the gains are almost all in supporting roles, with little progress in starring roles.