New cast member actress Brea Grant on the set of the hit NBC series 'Heroes' in Los Angeles, Tuesday, May 7, 2008. She's not just fast. She's very fast. Meet the top-secret speedy new character on NBC's 'Heroes' who plans to give the show's superhuman cast especially time traveler Hiro and his sidekick Ando a run for their money when she debuts on the popular NBC series' upcoming third season, which went back into production this month.(AP Photo/Gus Ruelas)