Olympic gymnastics gold medalist Simone Biles, Mr. T, Charo and figure skating silver medalist Nancy Kerrigan are among the 12-member cast announced today for the spring season of ABC’s “Dancing with the Stars.” The cast also includes the show’s first former Major League Baseball player, recently retired and well-traveled catcher David Ross, dance-pop star and “The Real Housewives of Beverly Hills” cast member Erika Jayne, Normani Kordei of the girl group Fifth Harmony and Nick Viall from “The Bachelor” franchise.