Which actor played Jack Bauer in '24'?

Which series follows hacker Elliot Alderson? Which FX series follows Soviet spies posing as an American couple in the 1980s? Which Showtime series follows CIA officer Carrie Mathison? Which series follows counterterrorism agent Jack Bauer in real time? Which series follows two brothers, one of whom gets himself imprisoned to break the other out? Which Netflix series is set in a women's federal prison? Which actor played Dr. Watson opposite Benedict Cumberbatch in 'Sherlock'? Which series follows Tommy Shelby's gang in 1920s Birmingham, England?