According to Variety Fox’s “ 24: Legacy ” pilot has cast “ Sons of Anarchy ” alum Jimmy Smits in a lead role. Smits will play John Donovan, a powerful U.S. Senator with higher political aspirations, who is married to Rebecca ( Miranda Otto ), the blazing smart former head of CTU. Smits and Otto will star alongside “Straight Outta Compton’s” Corey Hawkins , who plays military hero Eric Carter, who returns to the U.S. and finds that trouble has followed him back — compelling him to ask CTU for help in saving his life, and stopping what potentially could be one of the largest-scale terror attacks on American soil. “The Flash” and “Masters of Sex” star Teddy Sears was recently cast as Keith Mullins, Rebecca’s ambitious former second-in-command who has now replaced her as head of CTU. Kiefer Sutherland’s “24” hero Jack Bauer will not be a part of the revival if it’s picked up to series; the actor is attached to ABC’s political thriller “Designated Survivor,” which landed a strai