She’s already proved her stage bona fides both on and off Broadway in everything from Chekhov to Theresa Rebeck. After a critically acclaimed string of guest turns on “The Good Wife,” the stage seems set for Mamie Gummer, 29, to make a more permanent mark on TV as the titular character on the CW’s upcoming “Emily Owens, M.D.” Gummer’s performance is everything we’ve come to expect from her: warm, relatable, and oh-so-watchable. (Photo Courtesy CBS)